{"reference": {"slug": "grand-seiko-slga009-white-birch-spring-drive", "brand": "Grand Seiko", "ref": "SLGA009", "model": "Evolution 9 White Birch", "case_material": "Stainless Steel", "url": "https://mostexpensivewatches.net/reference/grand-seiko-slga009-white-birch-spring-drive", "description": "The Grand Seiko Evolution 9 SLGA009 entered production in early 2022 and remains a current catalog offering. Collectors distinguish this reference from the earlier SLGH005 by its Spring Drive Caliber 9RA2, which provides a five-day power reserve and a movement accuracy of +/- 0.5 seconds per day. The 40mm stainless steel case follows the Evolution 9 design language, featuring a lower center of gravity and wider lugs for stability. The dial utilizes a pressed pattern inspired by white birch forests in Shizukuishi, characterized by shallower, more subtle textures than its high-beat predecessor. On the secondary market, the SLGA009 typically trades between $6,500 and $8,000 depending on condition and completeness. A notable technical distinction of this reference is the relocation of the power reserve indicator to the caseback side, resulting in a more symmetrical dial layout compared to previous Spring Drive models."}, "lang": "de", "url": "https://mostexpensivewatches.net/de/alternatives/grand-seiko-slga009-white-birch-spring-drive", "reference_url": "https://mostexpensivewatches.net/de/reference/grand-seiko-slga009-white-birch-spring-drive", "review_url": "https://mostexpensivewatches.net/de/review/grand-seiko-slga009-white-birch-spring-drive", "listing_stats": {"count": 4, "median": 6450.0, "low": 6150.0, "high": 100000.0, "brands": 1, "merchants": 2}, "auction_comp_count": 0, "alternatives": [{"reference": {"slug": "grand-seiko-sbgw263-platinum-engraved", "brand": "Grand Seiko", "ref": "SBGW263", "model": "Masterpiece Collection Engraved", "case_material": "Platinum", "url": "https://mostexpensivewatches.net/reference/grand-seiko-sbgw263-platinum-engraved", "description": "The Grand Seiko Masterpiece Collection SBGW263 was released in 2020 as a limited edition of 20 pieces to commemorate the 60th anniversary of the brand. This reference features a 39mm case constructed from Platinum 950 and is powered by the manual-wind Caliber 9S64, which offers a 72-hour power reserve and an accuracy rating of +5 to -3 seconds per day. Collectors prioritize this model for its hand-engraved 18k white gold dial and handset, executed by master engraver Kiyoshi Terui at the Shizukuishi Watch Studio. The intricate engraving replaces traditional printing for the logo and indices. On the secondary market, this reference typically commands prices between $75,000 and $95,000, depending on condition and provenance. A notable production detail is that the \"Star\" mark at six o'clock signifies the use of precious metal for the hour markers, a hallmark of high-end vintage and modern Grand Seiko pieces."}, "score": 13, "why_compare": "Same grand seiko collector universe; shared search intent: grand, seiko.", "listing_stats": {"count": 0, "median": 0, "low": 0, "high": 0}, "top_listing": null, "auction_comp_count": 0, "review_url": "https://mostexpensivewatches.net/de/review/grand-seiko-sbgw263-platinum-engraved", "alternatives_url": "https://mostexpensivewatches.net/de/alternatives/grand-seiko-sbgw263-platinum-engraved"}, {"reference": {"slug": "patek-philippe-5016a-010", "brand": "Patek Philippe", "ref": "5016A-010", "model": "Grand Complication Only Watch", "case_material": "Stainless Steel", "provenance": "extracted_from_auction_comps", "url": "https://mostexpensivewatches.net/reference/patek-philippe-5016a-010", "description": "The Patek Philippe reference 5016A-010 is a unique piece manufactured specifically for the 2015 Only Watch charity auction. While the standard production 5016 was available from 1993 to 2011, this specific iteration is the only example of the reference ever produced in stainless steel. It features the manual-wind caliber R TO 27 PS QR, which integrates a minute repeater, a tourbillon, and a perpetual calendar with a retrograde date hand and moon phase indicator. The watch is distinguished by a blue enamel dial and a 36.8mm case. Collectors value this reference for its combination of high complications within a steel housing, a metal typically reserved for the brand’s sports models rather than grand complications. In 2015, it sold for 7.3 million CHF. On the secondary market, its unique status places its valuation in the high-seven-figure range, though it has not publicly traded since its original auction."}, "score": 9, "why_compare": "Shared search intent: grand, stainless; similar steel case profile.", "listing_stats": {"count": 0, "median": 0, "low": 0, "high": 0}, "top_listing": null, "auction_comp_count": 1, "review_url": "https://mostexpensivewatches.net/de/review/patek-philippe-5016a-010", "alternatives_url": "https://mostexpensivewatches.net/de/alternatives/patek-philippe-5016a-010"}, {"reference": {"slug": "roger-dubuis-043", "brand": "Roger Dubuis", "ref": "043", "model": "Easy Diver Flying Tourbillon", "case_material": "18k White Gold and Stainless Steel", "provenance": "extracted_from_auction_comps", "url": "https://mostexpensivewatches.net/reference/roger-dubuis-043", "description": "The Roger Dubuis Easy Diver Flying Tourbillon reference SE48 02 9 0/S 3.53 was produced during the mid-2000s, specifically around 2005 to 2008, and is no longer in production. This reference is noted for its 48mm case construction combining an 18k white gold bezel and crown guards with a stainless steel mid-case. It houses the manual-wind Caliber RD02, a Poinçon de Genève certified movement featuring a one-minute flying tourbillon visible at the six o'clock position. Collectors value this model as a representation of the brand’s \"Golden Era\" under the founder’s influence, characterized by oversized sports aesthetics paired with high-complication finishing. This specific reference was limited to 280 pieces globally. On the secondary market, these timepieces typically trade between $25,000 and $40,000 depending on condition and completeness. A similar variant exists in full 18k rose gold, which commands a higher price premium at auction."}, "score": 9, "why_compare": "Shared search intent: stainless, steel; similar steel case profile.", "listing_stats": {"count": 0, "median": 0, "low": 0, "high": 0}, "top_listing": null, "auction_comp_count": 1, "review_url": "https://mostexpensivewatches.net/de/review/roger-dubuis-043", "alternatives_url": "https://mostexpensivewatches.net/de/alternatives/roger-dubuis-043"}, {"reference": {"slug": "a-lange-s-hne-404", "brand": "A. Lange & Söhne", "ref": "404", "model": "Double Split", "case_material": "Stainless Steel", "provenance": "extracted_from_auction_comps", "url": "https://mostexpensivewatches.net/reference/a-lange-s-hne-404", "description": "The A. Lange & Söhne Double Split reference 404.047F in stainless steel was produced in 2013 as a unique piece for the \"Kidz Horizon\" charity auction. Unlike the standard production models in platinum or pink gold, this is the only known example of the Double Split cased in steel. It features the manual-wind caliber L001.1, the first movement capable of measuring split-time intervals up to thirty minutes. The watch is distinguished by its 43.2mm steel case and a black dial with silver registers and tachymeter scale. Because it is a unique piece, it does not have a standard secondary market price range; however, it sold at Christie’s in 2013 for approximately $500,000. Current valuations for a unique steel Lange chronograph are estimated in the high-six to low-seven-figure range, reflecting its status as one of the rarest watches ever manufactured by the Glashütte firm."}, "score": 7, "why_compare": "Shared search intent: stainless, steel; similar steel case profile.", "listing_stats": {"count": 0, "median": 0, "low": 0, "high": 0}, "top_listing": null, "auction_comp_count": 2, "review_url": "https://mostexpensivewatches.net/de/review/a-lange-s-hne-404", "alternatives_url": "https://mostexpensivewatches.net/de/alternatives/a-lange-s-hne-404"}, {"reference": {"slug": "a-lange-s-hne-101", "brand": "A. Lange & Söhne", "ref": "101", "model": "Lange 1", "case_material": "Stainless Steel", "provenance": "extracted_from_auction_comps", "url": "https://mostexpensivewatches.net/reference/a-lange-s-hne-101", "description": "The A. Lange & Söhne Lange 1 reference 101.026 in stainless steel was produced in a very limited series during the mid-to-late 1990s, with most estimates suggesting fewer than 30 examples exist. Unlike the standard precious metal production models, this reference features a 38.5mm steel case housing the manual-wind caliber L901.0. The dial is silver with rhodium-plated hands and markers, maintaining the signature offset layout and outsize date. Collectors value this reference due to its extreme rarity, as the brand almost exclusively uses gold or platinum for the Lange 1 collection. On the secondary market, these watches occupy a high-six-figure price bracket, often exceeding $300,000 to $500,000 depending on provenance. A notable auction result occurred in 2019 when a stainless steel Lange 1 sold for over $340,000, confirming its status as one of the most expensive non-complicated watches from the manufacturer."}, "score": 7, "why_compare": "Shared search intent: stainless, steel; similar steel case profile.", "listing_stats": {"count": 150, "median": 42810.0, "low": 9850.0, "high": 320000.0, "brands": 1, "merchants": 5}, "top_listing": {"id": "h_7350007005271", "title": "A. Lange & Söhne A. Lange & Söhne Lange 1 Tourbillon Perpetual Calendar", "brand": "A. Lange & Söhne", "model": "A. Lange & Söhne Lange 1 Tourbillon Perpetual Calendar", "reference": "40992184", "price_usd": 249500.0, "currency": "USD", "condition": "excellent", "box_papers": "full_set", "year": null, "case_material": "Stainless Steel", "case_size_mm": 40.0, "movement": "Automatic", "complications": ["Tourbillon", "Perpetual Calendar"], "merchant_slug": "analog-shift", "merchant_name": "Analog/Shift", "image_url": "https://cdn.shopify.com/s/files/1/0809/1255/files/AS10195_40992184_A.LANGE_SOHNE_LANGEONETOURBILLIOINPERPERTUALCALENDAR_720.025FE-LS7202AB-5.jpg?v=1735953694", "detail_url": "https://mostexpensivewatches.net/listing/h_7350007005271", "buy_url": "https://mostexpensivewatches.net/out/h_7350007005271", "available": true}, "auction_comp_count": 3, "review_url": "https://mostexpensivewatches.net/de/review/a-lange-s-hne-101", "alternatives_url": "https://mostexpensivewatches.net/de/alternatives/a-lange-s-hne-101"}, {"reference": {"slug": "a-lange-sohne-363-179-odysseus-steel", "brand": "A. Lange & Söhne", "ref": "363.179", "model": "Odysseus", "case_material": "Stainless Steel", "url": "https://mostexpensivewatches.net/reference/a-lange-sohne-363-179-odysseus-steel", "description": "The A. Lange & Söhne Odysseus reference 363.179 in stainless steel was introduced in October 2019 as the brand’s first series-produced luxury sports watch. It remains in current production, though availability is limited through authorized boutiques. Collectors prioritize this reference for its integrated bracelet design and the caliber L155.1 Datomatic, a movement specifically engineered for this line with a 4Hz frequency and a 50-hour power reserve. The 40.5mm case features a screw-down crown and 120-meter water resistance, while the dark blue dial includes a textured graining and oversized day-date apertures. On the secondary market, this reference typically commands between $45,000 and $55,000, significantly above its original retail price. While the 363.179 is the standard production steel model, its launch marked a historical shift for the manufacture, which had previously focused almost exclusively on precious metal dress watches."}, "score": 7, "why_compare": "Shared search intent: stainless, steel; similar steel case profile.", "listing_stats": {"count": 2, "median": 53000.0, "low": 39000.0, "high": 67000.0, "brands": 1, "merchants": 1}, "top_listing": {"id": "h_6701282623571", "title": "A. Lange & Söhne Odysseus | First Generation | Steel", "brand": "A. Lange & Söhne", "model": "Odysseus | First Generation | Steel", "reference": "CPMSS_A1500", "price_usd": 67000.0, "currency": "USD", "condition": "excellent", "box_papers": "full_set", "year": null, "case_material": "Stainless Steel", "case_size_mm": 40.0, "movement": "Automatic", "complications": [], "merchant_slug": "a-collected-man", "merchant_name": "A Collected Man", "image_url": "https://cdn.shopify.com/s/files/1/0606/5325/files/A_Lange___Sohne_Odysseus_First_Gen_A_Collected_man_London_11_v2.jpg?v=1782831087", "detail_url": "https://mostexpensivewatches.net/listing/h_6701282623571", "buy_url": "https://mostexpensivewatches.net/out/h_6701282623571", "available": false}, "auction_comp_count": 0, "review_url": "https://mostexpensivewatches.net/de/review/a-lange-sohne-363-179-odysseus-steel", "alternatives_url": "https://mostexpensivewatches.net/de/alternatives/a-lange-sohne-363-179-odysseus-steel"}, {"reference": {"slug": "akrivia-ak-06", "brand": "Akrivia", "ref": "AK-06", "model": "AK-06", "case_material": "Stainless Steel", "provenance": "extracted_from_auction_comps", "url": "https://mostexpensivewatches.net/reference/akrivia-ak-06"}, "score": 7, "why_compare": "Shared search intent: stainless, steel; similar steel case profile.", "listing_stats": {"count": 1, "median": 750000.0, "low": 750000.0, "high": 750000.0, "brands": 1, "merchants": 1}, "top_listing": {"id": "h_6971393540183", "title": "Akrivia Akrivia AK-06", "brand": "Akrivia", "model": "Akrivia AK-06", "reference": "40991793", "price_usd": 750000.0, "currency": "USD", "condition": "excellent", "box_papers": "full_set", "year": null, "case_material": "Stainless Steel", "case_size_mm": 40.0, "movement": "Automatic", "complications": ["Tourbillon"], "merchant_slug": "analog-shift", "merchant_name": "Analog/Shift", "image_url": "https://cdn.shopify.com/s/files/1/0809/1255/files/AS09364_40991793_AKRIVIA_AK06BLK_AK06-6.jpg?v=1730494523", "detail_url": "https://mostexpensivewatches.net/listing/h_6971393540183", "buy_url": "https://mostexpensivewatches.net/out/h_6971393540183", "available": false}, "auction_comp_count": 2, "review_url": "https://mostexpensivewatches.net/de/review/akrivia-ak-06", "alternatives_url": "https://mostexpensivewatches.net/de/alternatives/akrivia-ak-06"}, {"reference": {"slug": "audemars-piguet-1533", "brand": "Audemars Piguet", "ref": "1533", "model": "Oversized Chronograph", "case_material": "Stainless Steel", "provenance": "extracted_from_auction_comps", "url": "https://mostexpensivewatches.net/reference/audemars-piguet-1533", "description": "The Audemars Piguet Reference 1533 was produced in the early 1940s, with approximately nine units manufactured between 1941 and 1943. Collectors value this reference for its oversized 36mm case, which was unusually large for the era, and its use of the Valjoux-based caliber 13VZAH. The construction typically features a stainless steel mid-case paired with 18k rose gold bezels, pushers, and crowns. The dials often feature a two-tone aesthetic with tachymeter scales and baton markers. Due to the extreme rarity of vintage Audemars Piguet chronographs—of which only 307 were made between 1930 and 1950—this reference occupies a significant place in the brand's history. On the secondary market, these watches command prices in the mid-to-high six-figure range. A notable example formerly owned by Giorgio Seragnoli sold at auction in 2015 for approximately 305,000 CHF, serving as the design inspiration for the 2020 [Re]master01 release."}, "score": 7, "why_compare": "Shared search intent: stainless, steel; similar steel case profile.", "listing_stats": {"count": 0, "median": 0, "low": 0, "high": 0}, "top_listing": null, "auction_comp_count": 1, "review_url": "https://mostexpensivewatches.net/de/review/audemars-piguet-1533", "alternatives_url": "https://mostexpensivewatches.net/de/alternatives/audemars-piguet-1533"}, {"reference": {"slug": "audemars-piguet-5402", "brand": "Audemars Piguet", "ref": "5402", "model": "Royal Oak (Gérald Genta's Personal Watch)", "case_material": "Stainless Steel and 18k Yellow Gold", "provenance": "extracted_from_auction_comps", "url": "https://mostexpensivewatches.net/reference/audemars-piguet-5402", "description": "The Audemars Piguet Royal Oak reference 5402 in stainless steel and 18k yellow gold was produced during the mid-to-late 1970s and early 1980s. Collectors value this reference as the original \"Jumbo\" execution, featuring the ultra-thin Calibre 2121 movement and a 39mm monobloc case construction. This specific two-tone configuration is historically significant because it includes Gérald Genta’s personal timepiece, which he customized with a unique 18k gold bezel. The dial typically features the \"Petite Tapisserie\" pattern with the \"AP\" logo positioned at 6 o’clock on earlier A-series and B-series examples. On the secondary market, standard two-tone 5402 models generally trade between $40,000 and $80,000 depending on condition and provenance. A notable auction result occurred in 2022 when Genta’s personal 5402 sold for approximately $2.1 million, establishing a record for the reference and highlighting the premium placed on unique historical ownership."}, "score": 7, "why_compare": "Shared search intent: stainless, steel; similar steel case profile.", "listing_stats": {"count": 9, "median": 87500.0, "low": 29900.0, "high": 155000.0, "brands": 1, "merchants": 4}, "top_listing": {"id": "h_7741241884881", "title": "Audemars Piguet Audemars Piguet Royal Oak 5402ST A Series Tropical Dial", "brand": "Audemars Piguet", "model": "Audemars Piguet Royal Oak 5402ST A Series Tropical Dial", "reference": "5402ST", "price_usd": 87500.0, "currency": "USD", "condition": "excellent", "box_papers": "full_set", "year": null, "case_material": "Stainless Steel", "case_size_mm": 39.0, "movement": "Automatic", "complications": [], "merchant_slug": "material-good", "merchant_name": "Material Good", "image_url": "https://cdn.shopify.com/s/files/1/0561/5190/0369/files/Audemars_Piguet_Royal_Oak_5402ST_A_Series_Tropical_Dial.jpg?v=1778273627", "detail_url": "https://mostexpensivewatches.net/listing/h_7741241884881", "buy_url": "https://mostexpensivewatches.net/out/h_7741241884881", "available": true}, "auction_comp_count": 5, "review_url": "https://mostexpensivewatches.net/de/review/audemars-piguet-5402", "alternatives_url": "https://mostexpensivewatches.net/de/alternatives/audemars-piguet-5402"}, {"reference": {"slug": "audemars-piguet-25831st", "brand": "Audemars Piguet", "ref": "25831ST", "model": "Royal Oak Automatique Tourbillon", "case_material": "Stainless Steel", "provenance": "extracted_from_auction_comps", "url": "https://mostexpensivewatches.net/reference/audemars-piguet-25831st", "description": "The Audemars Piguet Royal Oak Automatique Tourbillon reference 25831ST was produced in 1997 to commemorate the 25th anniversary of the Royal Oak. This stainless steel model features a 39mm case and is powered by the caliber 2875, an automatic movement that positions the tourbillon carriage at 6 o'clock and the power reserve indicator at 9 o'clock. Collectors value this reference for its historical significance as the first Royal Oak to feature a tourbillon visible through the dial and its limited production of only 25 pieces. The dial lacks the traditional Tapisserie pattern, utilizing a smooth finish with a date sub-dial at 3 o'clock. On the secondary market, this reference typically commands prices in the mid-to-high six-figure range. A notable auction result occurred in 2022 when a 25831ST sold for approximately $500,000, reflecting its rarity and status among high-complication steel sport watches."}, "score": 7, "why_compare": "Shared search intent: stainless, steel; similar steel case profile.", "listing_stats": {"count": 0, "median": 0, "low": 0, "high": 0}, "top_listing": null, "auction_comp_count": 1, "review_url": "https://mostexpensivewatches.net/de/review/audemars-piguet-25831st", "alternatives_url": "https://mostexpensivewatches.net/de/alternatives/audemars-piguet-25831st"}, {"reference": {"slug": "audemars-piguet-25865st", "brand": "Audemars Piguet", "ref": "25865ST", "model": "Royal Oak Grande Complication", "case_material": "Stainless Steel", "provenance": "extracted_from_auction_comps", "url": "https://mostexpensivewatches.net/reference/audemars-piguet-25865st", "description": "The Audemars Piguet Royal Oak Grande Complication reference 25865ST was introduced in the late 1990s and remained in limited production through the 2010s. This reference is defined by the caliber 2885, a hand-finished movement comprising 648 parts that integrates a minute repeater, perpetual calendar, and split-seconds chronograph. Collectors prioritize the 25865ST for its 44mm stainless steel case, a rare material choice for a high-complication timepiece typically reserved for precious metals. The dial features a traditional white tapisserie pattern with four sub-dials and a moon phase indicator. Due to the complexity of the movement, production was limited to very few units per year. On the secondary market, this reference typically commands prices in the mid-to-high six-figure range, often between $450,000 and $700,000 depending on provenance. A notable 2021 auction result saw a well-preserved example achieve over $600,000, reflecting its status as a pinnacle of the Royal Oak line."}, "score": 7, "why_compare": "Shared search intent: stainless, steel; similar steel case profile.", "listing_stats": {"count": 0, "median": 0, "low": 0, "high": 0}, "top_listing": null, "auction_comp_count": 1, "review_url": "https://mostexpensivewatches.net/de/review/audemars-piguet-25865st", "alternatives_url": "https://mostexpensivewatches.net/de/alternatives/audemars-piguet-25865st"}, {"reference": {"slug": "audemars-piguet-14802st", "brand": "Audemars Piguet", "ref": "14802ST", "model": "Royal Oak Jubilée", "case_material": "Stainless Steel", "provenance": "extracted_from_auction_comps", "url": "https://mostexpensivewatches.net/reference/audemars-piguet-14802st", "description": "The Audemars Piguet Royal Oak Jubilée reference 14802ST was produced in 1992 to commemorate the 20th anniversary of the Royal Oak. Limited to 1,000 total units across all metals, the stainless steel variant comprises 700 pieces. Collectors prioritize this reference for its 39mm \"Jumbo\" case profile and the ultra-thin caliber 2121 movement, which features a 21-karat gold oscillating weight visible through a sapphire exhibition caseback—a first for the Royal Oak line. The dial typically features the \"Petite Tapisserie\" pattern with the AP logo at 12 o’clock. Secondary market prices generally fluctuate between $80,000 and $130,000 depending on condition and the presence of original accessories. A notable variant is the \"Salmon\" or copper-toned dial, which was produced in very limited quantities within the 14802ST run and commands a significant premium at auction, often exceeding $250,000."}, "score": 7, "why_compare": "Shared search intent: stainless, steel; similar steel case profile.", "listing_stats": {"count": 1, "median": 52900.0, "low": 52900.0, "high": 52900.0, "brands": 1, "merchants": 1}, "top_listing": {"id": "h_16158276452697", "title": "Audemars Piguet Audemars Piguet Royal-Oak Jumbo Ultra-thin 14802ST Jubilee with Extract of the Archives", "brand": "Audemars Piguet", "model": "Audemars Piguet Royal-Oak Jumbo Ultra-thin 14802ST Jubilee with Extract of the Archives", "reference": "14802ST", "price_usd": 52900.0, "currency": "USD", "condition": "excellent", "box_papers": "full_set", "year": null, "case_material": "Stainless Steel", "case_size_mm": 40.0, "movement": "Automatic", "complications": [], "merchant_slug": "bulang-and-sons", "merchant_name": "Bulang & Sons", "image_url": "https://cdn.shopify.com/s/files/1/0961/8613/8969/files/W-3636AudemarsPiguetRoyalOakjubileeref14802STwithextractofthearchives_22_1x1_99827b2f-e0ab-48d8-8f20-4d6efc46615a.jpg?v=1772784370", "detail_url": "https://mostexpensivewatches.net/listing/h_16158276452697", "buy_url": "https://mostexpensivewatches.net/out/h_16158276452697", "available": false}, "auction_comp_count": 1, "review_url": "https://mostexpensivewatches.net/de/review/audemars-piguet-14802st", "alternatives_url": "https://mostexpensivewatches.net/de/alternatives/audemars-piguet-14802st"}]}