{"reference": {"slug": "omega-2998-61", "brand": "Omega", "ref": "2998-61", "model": "Speedmaster", "case_material": "Stainless Steel", "provenance": "extracted_from_auction_comps", "url": "https://mostexpensivewatches.net/reference/omega-2998-61", "description": "The Omega Speedmaster reference 2998-61 was produced for approximately one year between 1961 and 1962. It represents the penultimate iteration of the 2998 series, characterized by its 39mm straight-lug stainless steel case without crown guards and the manual-wind Calibre 321 movement. Collectors prioritize this reference for its transitional features, specifically the introduction of the \"dagger\" or \"alpha\" subdial hands alongside the central alpha chronograph hands and the \"Dot Over Ninety\" (DON) tachymeter bezel. As one of the final pre-Professional models, its rarity is driven by its short production window. Current secondary market valuations typically range from $25,000 to $50,000 depending on component originality and bezel condition. A notable production detail for the 2998-61 is the shift toward the spear-shaped large chronograph seconds hand, which replaced the straight needle hand found on earlier sub-references."}, "listing_stats": {"count": 453, "median": 6250.0, "low": 3000.0, "high": 74000.0, "brands": 1, "merchants": 7}, "listings": [{"id": "h_8029446734146", "title": "OMEGA Speedmaster Moonwatch Omega Co-Axial Master Chronometer Moonphase Chronograph - 44.25 mm Platinum Case - Platinum-Gold Dial - Green Leather Strap - 304.93.44.52.99.003", "brand": "OMEGA", "model": "Speedmaster Moonwatch Omega Co-Axial Master Chronometer Moonphase Chronograph - 44.25 mm Platinum Case - Platinum-Gold Dial - Green Leather Strap - 304.93.44.52.99.003", "reference": "304.93", "price_usd": 54210.0, "currency": "USD", "condition": "excellent", "box_papers": "full_set", "year": null, "case_material": "Platinum", "case_size_mm": 25.0, "movement": "Automatic", "complications": ["Chronograph", "Moon Phase"], "merchant_slug": "watch-affinity", "merchant_name": "Watch-Affinity", "image_url": "https://cdn.shopify.com/s/files/1/0683/2449/1586/products/30493445299003.jpg?v=1669756209", "detail_url": "https://mostexpensivewatches.net/listing/h_8029446734146", "buy_url": "https://mostexpensivewatches.net/out/h_8029446734146", "available": true}, {"id": "h_8029451813186", "title": "OMEGA Speedmaster Moonwatch Professional Chronograph Calibre 321 - 42 mm Platinum Case - Black Dial - Black Leather Strap - 311.93.42.30.99.001", "brand": "OMEGA", "model": "Speedmaster Moonwatch Professional Chronograph Calibre 321 - 42 mm Platinum Case - Black Dial - Black Leather Strap - 311.93.42.30.99.001", "reference": "311.93", "price_usd": 52270.0, "currency": "USD", "condition": "excellent", "box_papers": "full_set", "year": null, "case_material": "Platinum", "case_size_mm": 42.0, "movement": "Automatic", "complications": ["Chronograph"], "merchant_slug": "watch-affinity", "merchant_name": "Watch-Affinity", "image_url": "https://cdn.shopify.com/s/files/1/0683/2449/1586/products/31193423099001.jpg?v=1669756256", "detail_url": "https://mostexpensivewatches.net/listing/h_8029451813186", "buy_url": "https://mostexpensivewatches.net/out/h_8029451813186", "available": true}, {"id": "h_8029446865218", "title": "OMEGA Speedmaster Moonwatch Omega Co-Axial Master Chronometer Moonphase Chronograph - 44.25 mm Platinum Case - Platinum-Gold Diamond Dial - Blue Leather Strap - 304.93.44.52.99.004", "brand": "OMEGA", "model": "Speedmaster Moonwatch Omega Co-Axial Master Chronometer Moonphase Chronograph - 44.25 mm Platinum Case - Platinum-Gold Diamond Dial - Blue Leather Strap - 304.93.44.52.99.004", "reference": "304.93", "price_usd": 47520.0, "currency": "USD", "condition": "excellent", "box_papers": "full_set", "year": null, "case_material": "Platinum", "case_size_mm": 25.0, "movement": "Automatic", "complications": ["Chronograph", "Moon Phase"], "merchant_slug": "watch-affinity", "merchant_name": "Watch-Affinity", "image_url": "https://cdn.shopify.com/s/files/1/0683/2449/1586/products/30493445299004.jpg?v=1669756211", "detail_url": "https://mostexpensivewatches.net/listing/h_8029446865218", "buy_url": "https://mostexpensivewatches.net/out/h_8029446865218", "available": true}, {"id": "h_8029446603074", "title": "OMEGA Speedmaster Moonwatch Omega Co-Axial Master Chronometer Moonphase Chronograph - 44.25 mm Platinum Case - Platinum-Gold Dial - Red Leather Strap - 304.93.44.52.99.002", "brand": "OMEGA", "model": "Speedmaster Moonwatch Omega Co-Axial Master Chronometer Moonphase Chronograph - 44.25 mm Platinum Case - Platinum-Gold Dial - Red Leather Strap - 304.93.44.52.99.002", "reference": "304.93", "price_usd": 47520.0, "currency": "USD", "condition": "excellent", "box_papers": "full_set", "year": null, "case_material": "Platinum", "case_size_mm": 25.0, "movement": "Automatic", "complications": ["Chronograph", "Moon Phase"], "merchant_slug": "watch-affinity", "merchant_name": "Watch-Affinity", "image_url": "https://cdn.shopify.com/s/files/1/0683/2449/1586/products/30493445299002.jpg?v=1669756208", "detail_url": "https://mostexpensivewatches.net/listing/h_8029446603074", "buy_url": "https://mostexpensivewatches.net/out/h_8029446603074", "available": true}, {"id": "h_8029443522882", "title": "OMEGA Speedmaster '57 Omega Co-Axial Chronograph Watch - 41.5 mm Yellow Gold Case - Brushed Bezel - Silver Dial - 331.50.42.51.02.001", "brand": "OMEGA", "model": "Speedmaster '57 Omega Co-Axial Chronograph Watch - 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44.25 mm White Ceramic Case - Diamond-Set Ceramic Bezel - Mother-Of-Pearl Dial - White Leather Strap - 311.98.44.51.55.001", "reference": "311.98", "price_usd": 22705.0, "currency": "USD", "condition": "excellent", "box_papers": "full_set", "year": null, "case_material": "High-Tech Ceramic", "case_size_mm": 25.0, "movement": "Automatic", "complications": ["Chronograph"], "merchant_slug": "watch-affinity", "merchant_name": "Watch-Affinity", "image_url": "https://cdn.shopify.com/s/files/1/0683/2449/1586/products/31198445155001.jpg?v=1669756253", "detail_url": "https://mostexpensivewatches.net/listing/h_8029451518274", "buy_url": "https://mostexpensivewatches.net/out/h_8029451518274", "available": true}, {"id": "h_8029449683266", "title": "OMEGA Speedmaster Moonwatch Omega Co-Axial Chronograph Dark Side of the Moon Watch - 44.25 mm Black Ceramic Case - Diamond Set Ceramic Bezel - Black Ceramic Diamond Dial - Black Leather Strap - 311.98", "brand": "OMEGA", "model": "Speedmaster Moonwatch Omega Co-Axial Chronograph Dark Side of the Moon Watch - 44.25 mm Black Ceramic Case - Diamond Set Ceramic Bezel - Black Ceramic Diamond Dial - Black Leather Strap - 311.98.44.51.51.001", "reference": "311.98", "price_usd": 22175.0, "currency": "USD", "condition": "excellent", "box_papers": "full_set", "year": null, "case_material": "18k White Gold", "case_size_mm": 25.0, "movement": "Automatic", "complications": ["Chronograph"], "merchant_slug": "watch-affinity", "merchant_name": "Watch-Affinity", "image_url": "https://cdn.shopify.com/s/files/1/0683/2449/1586/products/31198445151001.jpg?v=1669756237", "detail_url": "https://mostexpensivewatches.net/listing/h_8029449683266", "buy_url": "https://mostexpensivewatches.net/out/h_8029449683266", "available": true}, {"id": "h_15298845507967", "title": "OMEGA Stainless steel OMEGA Speedmaster ref. 105.002 chronograph wristwatch. 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Made 1963", "reference": "105.002-62", "price_usd": 22000.0, "currency": "USD", "condition": "excellent", "box_papers": "full_set", "year": null, "case_material": "Stainless Steel", "case_size_mm": 40.0, "movement": "Automatic", "complications": [], "merchant_slug": "somlo", "merchant_name": "Somlo London", "image_url": "https://cdn.shopify.com/s/files/1/0161/6687/9332/files/O2682_3_f8479aa2-c21f-4d1a-99f0-bce760648096.jpg?v=1753718824", "detail_url": "https://mostexpensivewatches.net/listing/h_6982905987206", "buy_url": "https://mostexpensivewatches.net/out/h_6982905987206", "available": true}, {"id": "h_6789017862278", "title": "OMEGA Stainless steel OMEGA Speedmaster ref. 2998-62 chronograph wristwatch. Made 1962", "brand": "OMEGA", "model": "Stainless steel OMEGA Speedmaster ref. 2998-62 chronograph wristwatch. Made 1962", "reference": "2998-62", "price_usd": 22000.0, "currency": "USD", "condition": "excellent", "box_papers": "full_set", "year": null, "case_material": "Stainless Steel", "case_size_mm": 40.0, "movement": "Automatic", "complications": ["Chronograph"], "merchant_slug": "somlo", "merchant_name": "Somlo London", "image_url": "https://cdn.shopify.com/s/files/1/0161/6687/9332/files/O.2870_1.jpg?v=1766235180", "detail_url": "https://mostexpensivewatches.net/listing/h_6789017862278", "buy_url": "https://mostexpensivewatches.net/out/h_6789017862278", "available": true}, {"id": "h_8029452566850", "title": "OMEGA Speedmaster Moonwatch Apollo XVII Anniversary Limited Series Limited Edition of 272 Watch - 42 mm Yellow Gold Case - Polished Blue Ceramic Bezel - Blue Ceramic Dial - Brown Leather Strap - 311.6", "brand": "OMEGA", "model": "Speedmaster Moonwatch Apollo XVII Anniversary Limited Series Limited Edition of 272 Watch - 42 mm Yellow Gold Case - Polished Blue Ceramic Bezel - Blue Ceramic Dial - Brown Leather Strap - 311.63.42.30.03.001", "reference": "311.63", "price_usd": 20505.0, "currency": "USD", "condition": "excellent", "box_papers": "full_set", "year": null, "case_material": "18k Yellow Gold", "case_size_mm": 42.0, "movement": "Automatic", "complications": ["GMT / Dual Time"], "merchant_slug": "watch-affinity", "merchant_name": "Watch-Affinity", "image_url": "https://cdn.shopify.com/s/files/1/0683/2449/1586/products/31163423003001.jpg?v=1669756263", "detail_url": "https://mostexpensivewatches.net/listing/h_8029452566850", "buy_url": "https://mostexpensivewatches.net/out/h_8029452566850", "available": true}, {"id": "h_6982904512646", "title": "OMEGA Stainless steel OMEGA ref. 2998-3 Speedmaster chronograph wristwatch. Made 1963", "brand": "OMEGA", "model": "Stainless steel OMEGA ref. 2998-3 Speedmaster chronograph wristwatch. Made 1963", "reference": "2998-3", "price_usd": 20000.0, "currency": "USD", "condition": "excellent", "box_papers": "full_set", "year": null, "case_material": "Stainless Steel", "case_size_mm": 40.0, "movement": "Automatic", "complications": ["Chronograph"], "merchant_slug": "somlo", "merchant_name": "Somlo London", "image_url": "https://cdn.shopify.com/s/files/1/0161/6687/9332/files/O3188_5_cb98645d-8186-4070-91c6-812bb17dae14.jpg?v=1753700388", "detail_url": "https://mostexpensivewatches.net/listing/h_6982904512646", "buy_url": "https://mostexpensivewatches.net/out/h_6982904512646", "available": true}, {"id": "h_6982726156422", "title": "OMEGA 18ct yellow gold OMEGA ref. 145.0052 Speedmaster 'Jubilee' chronograph wristwatch. Made 1992", "brand": "OMEGA", "model": "18ct yellow gold OMEGA ref. 145.0052 Speedmaster 'Jubilee' chronograph wristwatch. Made 1992", "reference": "145.0052", "price_usd": 19000.0, "currency": "USD", "condition": "excellent", "box_papers": "full_set", "year": null, "case_material": "18k Yellow Gold", "case_size_mm": 40.0, "movement": "Automatic", "complications": ["Chronograph"], "merchant_slug": "somlo", "merchant_name": "Somlo London", "image_url": "https://cdn.shopify.com/s/files/1/0161/6687/9332/files/O.3208_1_e887226e-a734-4d4e-aa53-4056999638c2.jpg?v=1753273612", "detail_url": "https://mostexpensivewatches.net/listing/h_6982726156422", "buy_url": "https://mostexpensivewatches.net/out/h_6982726156422", "available": true}, {"id": "h_14975897207167", "title": "OMEGA Stainless steel OMEGA Speedmaster Professional 'SpeedyMoon' chronograph. Made 1990", "brand": "OMEGA", "model": "Stainless steel OMEGA Speedmaster Professional 'SpeedyMoon' chronograph. Made 1990", "reference": "1990", "price_usd": 18500.0, "currency": "USD", "condition": "excellent", "box_papers": "full_set", "year": null, "case_material": "Stainless Steel", "case_size_mm": 40.0, "movement": "Automatic", "complications": ["Chronograph", "Moon Phase"], "merchant_slug": "somlo", "merchant_name": "Somlo London", "image_url": "https://cdn.shopify.com/s/files/1/0161/6687/9332/files/O.3321_1.jpg?v=1741692599", "detail_url": "https://mostexpensivewatches.net/listing/h_14975897207167", "buy_url": "https://mostexpensivewatches.net/out/h_14975897207167", "available": true}, {"id": "h_8129458569325", "title": "OMEGA 1987 Omega Speedmaster Automatic (Ref. 376.0822) \"Holy Grail\"", "brand": "OMEGA", "model": "1987 Omega Speedmaster Automatic (Ref. 376.0822) \"Holy Grail\"", "reference": "376.0822", "price_usd": 18250.0, "currency": "USD", "condition": "excellent", "box_papers": "full_set", "year": null, "case_material": "Stainless Steel", "case_size_mm": 40.0, "movement": "Automatic", "complications": ["Chronograph"], "merchant_slug": "craft-and-tailored", "merchant_name": "Craft + Tailored", "image_url": "https://cdn.shopify.com/s/files/1/1104/9180/files/Img044344copy_14c13357-5f3f-458b-b79f-0baff4383fe2.jpg?v=1782178165", "detail_url": "https://mostexpensivewatches.net/listing/h_8129458569325", "buy_url": "https://mostexpensivewatches.net/out/h_8129458569325", "available": true}], "auction_lots": [{"slug": "omega-2998-1-2020", "brand": "Omega", "reference": "2998-1", "model": "Speedmaster \"Tropical Dial\"", "case_material": "Stainless Steel", "hammer_usd": 112000, "year_sold": 2020, "venue": "Phillips Geneva", "lot_summary": "A rare early iteration of the reference 2998 featuring a dial that has aged to a uniform and attractive chocolate brown color.", "source_url": "https://www.phillips.com/detail/omega/CH080220/12", "provenance": "ai_generated_grounded", "url": "https://mostexpensivewatches.net/auctions/omega-2998-1-2020"}, {"slug": "omega-2998-61-2021", "brand": "Omega", "reference": "2998-61", "model": "Speedmaster", "case_material": "Stainless Steel", "hammer_usd": 44100, "year_sold": 2021, "venue": "Phillips New York", "lot_summary": "An attractive pre-Moon Speedmaster featuring 'Alpha' hands and a 'Dot Over Ninety' bezel, highly sought after for its transitional design elements.", "source_url": "https://www.phillips.com/detail/omega/NY080121/112", "provenance": "ai_generated_grounded", "url": "https://mostexpensivewatches.net/auctions/omega-2998-61-2021"}, {"slug": "omega-ck2998-1-2015", "brand": "Omega", "reference": "CK2998-1", "model": "Speedmaster \"Tropical Dial\"", "case_material": "Stainless Steel", "hammer_usd": 28750, "year_sold": 2015, "venue": "Christie's New York", "lot_summary": "A second-generation Speedmaster from 1960 featuring a dial that aged to a desirable 'tropical' chocolate brown color.", "source_url": "https://www.christies.com/en/lot/lot-5959901", "provenance": "ai_generated_grounded", "url": "https://mostexpensivewatches.net/auctions/omega-ck2998-1-2015"}, {"slug": "omega-ck2998-62-2015", "brand": "Omega", "reference": "CK2998-62", "model": "Speedmaster", "case_material": "Stainless Steel", "hammer_usd": 28750, "year_sold": 2015, "venue": "Christie's New York", "lot_summary": "A well-preserved example of the reference 2998-62, retaining its original bracelet and alpha hands, highly sought after by vintage collectors.", "source_url": "https://www.christies.com/en/lot/lot-5959903", "provenance": "ai_generated_grounded", "url": "https://mostexpensivewatches.net/auctions/omega-ck2998-62-2015"}, {"slug": "omega-ck2998-4-2015", "brand": "Omega", "reference": "CK2998-4", "model": "Speedmaster", "case_material": "Stainless Steel", "hammer_usd": 20000, "year_sold": 2015, "venue": "Christie's New York", "lot_summary": "A classic 1962 Speedmaster reference 2998-4, representing the transition period of the model with its distinctive alpha hands.", "source_url": "https://www.christies.com/en/lot/lot-5959902", "provenance": "ai_generated_grounded", "url": "https://mostexpensivewatches.net/auctions/omega-ck2998-4-2015"}]}