{"query": "3770-25", "brand": null, "total": 10, "limit": 10, "matches": [{"slug": "iwc-3770-25", "brand": "IWC", "ref": "3770-25", "model": "Grande Complication", "case_material": "18k Pink Gold", "provenance": "extracted_from_auction_comps", "url": "https://mostexpensivewatches.net/reference/iwc-3770-25", "description": "The IWC Grande Complication reference 3770-25 in 18k pink gold was produced during the 1990s and early 2000s as part of a limited annual production run of 50 pieces per year across all metals. Collectors target this reference for the caliber 79091 movement, which integrates a perpetual calendar, moon phase, minute repeater, and chronograph within a 42.2mm case. The dial features four sub-dials and a four-digit year display, a signature of the Kurt Klaus calendar system. This specific reference is noted for its solid gold case construction and the mechanical complexity of housing 659 parts. On the secondary market, this model typically trades in the $60,000 to $95,000 range depending on service history and the presence of original accessories. A notable production detail is that the minute repeater slide is positioned on the left side of the case, activating two hammers that strike tuned gongs.", "score": 206}, {"slug": "iwc-3770", "brand": "IWC", "ref": "3770", "model": "Grande Complication", "case_material": "Platinum", "provenance": "extracted_from_auction_comps", "url": "https://mostexpensivewatches.net/reference/iwc-3770", "description": "The IWC Grande Complication reference 3770 in platinum was produced between 1990 and approximately 2005. This reference is significant for being the first wristwatch to integrate a perpetual calendar, chronograph, and minute repeater into a single movement, the caliber 79091. Based on a Valjoux 7750 architecture, the movement features a Kurt Klaus-designed calendar module that is synchronized via the crown. The platinum case measures 42.2mm in diameter and houses a solid silver dial with four sub-dials and a moon phase indicator. Production was limited to 50 pieces per year, contributing to its scarcity. On the secondary market, the reference 3770 in platinum typically trades between $80,000 and $120,000 depending on condition and provenance. A notable production detail is the inclusion of a slide on the left case flank to activate the minute repeater, which utilizes two gongs to chime hours, quarters, and minutes.", "score": 35}, {"slug": "a-lange-sohne-zeitwerk-147", "brand": "A. Lange & Söhne", "ref": "147.025", "model": "Zeitwerk Minute Repeater", "case_material": "Platinum", "url": "https://mostexpensivewatches.net/reference/a-lange-sohne-zeitwerk-147", "description": "The A. Lange & Söhne Zeitwerk Minute Repeater reference 147.025 was introduced in 2015 as the first mechanical wristwatch to combine a jumping numerals display with a decimal minute repeater. Housed in a 44.2mm platinum case, this reference features the manual-wind caliber L043.5, which utilizes a constant-force escapement to manage the energy required for the instantaneous disc jumps. Unlike traditional repeaters that chime quarters, this model sounds ten-minute intervals, matching the digital time display. The rhodium-colored dial is made of solid silver with a bridge crafted from black-rhodiumed German silver. While the model remains in the current catalog, production is limited by technical complexity to approximately 30 units per year. On the secondary market, this reference typically commands prices between $350,000 and $450,000. A notable technical constraint is the safety system that prevents the time from being adjusted while the striking mechanism is active.", "score": 20}, {"slug": "a-lange-sohne-lange-1-tourbillon", "brand": "A. Lange & Söhne", "ref": "720.025", "model": "Lange 1 Tourbillon Perpetual", "case_material": "Platinum", "url": "https://mostexpensivewatches.net/reference/a-lange-sohne-lange-1-tourbillon", "description": "The A. Lange & Söhne Lange 1 Tourbillon Perpetual Calendar reference 720.025 in platinum was introduced in 2012 and remained in production until approximately 2021. This reference is powered by the self-winding caliber L082.1, which features a peripheral month ring to maintain the asymmetrical Lange 1 dial layout. The movement consists of 624 parts and incorporates a patented stop-seconds mechanism for the tourbillon, visible only through the sapphire caseback. The 41.9mm platinum case houses a solid silver rhodium-colored dial with a moon phase indicator accurate for 122.6 years. Collectors value this reference for its mechanical complexity and the discreet execution of the tourbillon. On the secondary market, this model typically trades in the low-to-mid six-figure range, often between $220,000 and $280,000. A notable variant is the \"Handwerkskunst\" edition, limited to 15 pieces, which features a tremblage-engraved dial and relief-engraved movement components.", "score": 20}, {"slug": "a-lange-sohne-703-025f-cabaret-tourbillon", "brand": "A. Lange & Söhne", "ref": "703.025F", "model": "Cabaret Tourbillon Handwerkskunst", "case_material": "Platinum", "url": "https://mostexpensivewatches.net/reference/a-lange-sohne-703-025f-cabaret-tourbillon", "description": "The A. Lange & Söhne Cabaret Tourbillon Handwerkskunst reference 703.025F was released in 2021 as a limited edition of 30 pieces. This platinum-cased model is the seventh entry in the Handwerkskunst series and utilizes the rectangular caliber L042.1. Collectors value this reference for its technical innovation, as it features the world’s first stop-seconds mechanism for a tourbillon, and its decorative execution, including a solid white gold dial with semi-transparent grey enamel and manual tremblage engraving. The movement bridges are decorated with black rhodium and granular frosting rather than traditional Glashütte stripes. On the secondary market, this reference typically commands prices in the mid-to-high six-figure range, often exceeding $350,000 depending on provenance. A notable production detail is that this model was launched thirteen years after the original Cabaret Tourbillon was discontinued, serving as a final tribute to the brand’s only rectangular tourbillon movement.", "score": 20}, {"slug": "audemars-piguet-25402sa", "brand": "Audemars Piguet", "ref": "25402SA", "model": "Royal Oak Two-Tone", "case_material": "Stainless Steel and 18k Yellow Gold", "provenance": "extracted_from_auction_comps", "url": "https://mostexpensivewatches.net/reference/audemars-piguet-25402sa", "description": "The Audemars Piguet Royal Oak reference 25402SA was produced during the late 1970s and early 1980s as a mid-sized alternative to the \"Jumbo\" models. This reference features a 33mm case constructed from stainless steel and 18k yellow gold, housing the ultra-thin quartz Calibre 2502. Collectors value this reference for its historical role in the brand’s transition during the Quartz Crisis and its adherence to the original Gerald Genta design language, including the integrated bracelet and octagonal bezel. The dial typically features the \"Petite Tapisserie\" pattern with an AP logo positioned at 12 o'clock. On the secondary market, the 25402SA generally trades between $12,000 and $18,000 depending on condition and the presence of original paperwork. A notable production detail is that this reference was among the first Royal Oaks to utilize a quartz movement, marking a specific era of technical experimentation for the manufacturer.", "score": 20}, {"slug": "audemars-piguet-25863ti", "brand": "Audemars Piguet", "ref": "25863TI", "model": "Royal Oak Offshore T3", "case_material": "Titanium", "provenance": "extracted_from_auction_comps", "url": "https://mostexpensivewatches.net/reference/audemars-piguet-25863ti", "description": "The Audemars Piguet Royal Oak Offshore T3, reference 25863TI, was released in 2003 as a limited edition of 1,000 pieces to coincide with the film Terminator 3: Rise of the Machines. This reference is distinguished by its oversized 48mm titanium case, which was the largest Offshore produced at the time of its debut. It features protective crown guards and a Méga Tapisserie dial housing the caliber 2226/2840 modular chronograph movement. Collectors value the T3 for its role in establishing the trend for oversized luxury sports watches and its association with Arnold Schwarzenegger. On the secondary market, prices typically range from $30,000 to $45,000 depending on the presence of the original presentation box and papers. Of the 1,000 units produced, 500 were configured with a silver dial and 500 with a black dial, both featuring Arabic numerals and a tachymeter scale.", "score": 20}, {"slug": "audemars-piguet-25548ba", "brand": "Audemars Piguet", "ref": "25548BA", "model": "Quantième Perpétuel (1990)", "case_material": "18k Yellow Gold", "provenance": "extracted_from_auction_comps", "url": "https://mostexpensivewatches.net/reference/audemars-piguet-25548ba", "description": "The Audemars Piguet Quantième Perpétuel reference 25548BA was produced between approximately 1982 and the early 1990s, representing a pivotal era for the brand’s ultra-thin complications. This 18k yellow gold model measures 36mm in diameter and is powered by the self-winding caliber 2120/2800, which is based on the Jaeger-LeCoultre 920 movement. Collectors value this reference for its historical significance in popularizing the perpetual calendar during the post-quartz crisis recovery and for its classic four-subdial layout without a leap year indicator. The case features a stepped bezel and short lugs, characteristic of the Quantième Perpétuel line's early design language. On the secondary market, this reference typically trades between $35,000 and $55,000 depending on condition and the presence of original paperwork. A notable production detail is that early examples often feature \"Audemars Piguet\" branding without the \"Automatic\" text on the dial, a variation sought by vintage enthusiasts.", "score": 20}, {"slug": "audemars-piguet-25865bc", "brand": "Audemars Piguet", "ref": "25865BC", "model": "Royal Oak Grand Complication", "case_material": "18k White Gold", "provenance": "extracted_from_auction_comps", "url": "https://mostexpensivewatches.net/reference/audemars-piguet-25865bc", "description": "The Audemars Piguet Royal Oak Grand Complication reference 25865BC was produced primarily during the late 1990s and 2000s. This 44mm 18k white gold timepiece houses the caliber 2885, a self-winding movement composed of 648 parts. It integrates three traditional high complications: a minute repeater, a perpetual calendar, and a split-seconds chronograph. Collectors prioritize this reference for its technical density and the hand-finished nature of its movement, which includes a solid gold oscillating weight and a chime sequence struck on two gongs. The dial typically features a silvered \"Grande Tapisserie\" pattern with white gold applied hour markers. On the secondary market, this reference generally commands prices in the mid-to-high six-figure range, often between $450,000 and $700,000 depending on provenance. A notable production detail is that each unit required over 600 hours of assembly by a single master watchmaker at the brand’s Grandes Complications workshop.", "score": 20}, {"slug": "audemars-piguet-25554st", "brand": "Audemars Piguet", "ref": "25554ST", "model": "Royal Oak Perpetual Calendar", "case_material": "Stainless Steel", "provenance": "extracted_from_auction_comps", "url": "https://mostexpensivewatches.net/reference/audemars-piguet-25554st", "description": "The Audemars Piguet Royal Oak Perpetual Calendar reference 25554ST was produced between approximately 1986 and 1991. Collectors prioritize this reference as the first Royal Oak to feature a perpetual calendar complication, marking a significant technical expansion for the model line. It utilizes the ultra-thin automatic caliber 2120/2800, derived from a Jaeger-LeCoultre base. The 39mm stainless steel case maintains the \"Jumbo\" proportions but lacks a leap year indicator on the dial, a characteristic of early generation perpetual calendars. Production was limited, with records suggesting fewer than 300 units were manufactured in steel. On the secondary market, these watches typically trade in the low-to-mid six-figure range depending on provenance and condition. A notable variant includes the \"Yves Klein\" dial, featuring a vibrant blue aesthetic, which often commands a significant premium at international auctions due to its rarity and visual distinction.", "score": 20}]}