{"reference": {"slug": "roger-smith-series-2-yellow-gold", "brand": "Roger Smith", "ref": "Series 2", "model": "Series 2", "case_material": "18k Yellow Gold", "url": "https://mostexpensivewatches.net/reference/roger-smith-series-2-yellow-gold"}, "lang": "ja", "url": "https://mostexpensivewatches.net/ja/alternatives/roger-smith-series-2-yellow-gold", "reference_url": "https://mostexpensivewatches.net/ja/reference/roger-smith-series-2-yellow-gold", "review_url": "https://mostexpensivewatches.net/ja/review/roger-smith-series-2-yellow-gold", "listing_stats": {"count": 0, "median": 0, "low": 0, "high": 0}, "auction_comp_count": 1, "alternatives": [{"reference": {"slug": "roger-smith-series-1-white-gold", "brand": "Roger Smith", "ref": "Series 1", "model": "Series 1", "case_material": "18k White Gold", "url": "https://mostexpensivewatches.net/reference/roger-smith-series-1-white-gold"}, "score": 20, "why_compare": "Same roger smith collector universe; shared search intent: 18k, gold; similar gold case profile.", "listing_stats": {"count": 0, "median": 0, "low": 0, "high": 0}, "top_listing": null, "auction_comp_count": 0, "review_url": "https://mostexpensivewatches.net/ja/review/roger-smith-series-1-white-gold", "alternatives_url": "https://mostexpensivewatches.net/ja/alternatives/roger-smith-series-1-white-gold"}, {"reference": {"slug": "breguet-tradition-7027-yellow-gold", "brand": "Breguet", "ref": "7027BA/11/9V6", "model": "Tradition 7027", "case_material": "18k Yellow Gold", "url": "https://mostexpensivewatches.net/reference/breguet-tradition-7027-yellow-gold"}, "score": 9, "why_compare": "Shared search intent: 18k, gold; similar gold case profile.", "listing_stats": {"count": 1, "median": 14900.0, "low": 14900.0, "high": 14900.0, "brands": 1, "merchants": 1}, "top_listing": {"id": "h_15840855130457", "brand": "Breguet", "model": "Breguet Tradition in 18k Pink Gold Execution ref. 7027", "reference": "7027", "year": null, "case_material": "Stainless Steel", "case_size_mm": 38.0, "movement": "Automatic", "complications": [], "condition": "excellent", "box_papers": "full_set", "price_usd": 14900.0, "currency": "USD", "merchant_slug": "bulang-and-sons", "merchant_url": "https://bulangandsons.com/products/breguet-tradition-in-18k-pink-gold-execution-ref-7027-w3460", "image_url": "https://cdn.shopify.com/s/files/1/0961/8613/8969/files/W-3460BreguetTraditionin18kpinkgoldexecutionref7027_313_1x1_b4dd6ec4-5105-4013-82fc-1025dac83d82.jpg?v=1759310570", "title": "Breguet Breguet Tradition in 18k Pink Gold Execution ref. 7027", "description": " We’re happy to present this striking and distinctive Breguet Tradition, housed in a 38mm pink gold case. 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His system allowed the wearer to read the time in 24 time zones simultaneously, using a central hour and minute hand, a rotating 24-hour ring, and a city ring representing major world cities. \n   \n Patek Philippe quickly recognized", "listed_at": "2026-05-18T08:05:39+02:00", "in_stock": true, "url": "https://mostexpensivewatches.net/listing/h_16184932335961", "outbound_url": "https://bulangandsons.com/products/patek-philippe-world-time-ref-5130r-guilloche-dial-in-18k-rose-gold-with-box-and-papers-w3642", "affiliate_network": "none", "outbound_available": true}, "auction_comp_count": 1, "review_url": "https://mostexpensivewatches.net/ja/review/patek-philippe-130-chronograph-yellow-gold", "alternatives_url": "https://mostexpensivewatches.net/ja/alternatives/patek-philippe-130-chronograph-yellow-gold"}, {"reference": {"slug": "philippe-dufour-grande-sonnerie-yellow-gold", "brand": "Philippe Dufour", "ref": "Grande Sonnerie", "model": "Grande & Petite Sonnerie Minute Repeater", "case_material": "18k Yellow Gold", "url": "https://mostexpensivewatches.net/reference/philippe-dufour-grande-sonnerie-yellow-gold"}, "score": 9, "why_compare": "Shared search intent: 18k, gold; similar gold case profile.", "listing_stats": {"count": 0, "median": 0, "low": 0, "high": 0}, "top_listing": null, "auction_comp_count": 0, "review_url": "https://mostexpensivewatches.net/ja/review/philippe-dufour-grande-sonnerie-yellow-gold", "alternatives_url": "https://mostexpensivewatches.net/ja/alternatives/philippe-dufour-grande-sonnerie-yellow-gold"}, {"reference": {"slug": "rolex-daytona-6265-gold-oyster-chronograph", "brand": "Rolex", "ref": "6265", "model": "Cosmograph Daytona", "case_material": "18k Yellow Gold", "url": "https://mostexpensivewatches.net/reference/rolex-daytona-6265-gold-oyster-chronograph"}, "score": 9, "why_compare": "Shared search intent: 18k, gold; similar gold case profile.", "listing_stats": {"count": 21, "median": 84900.0, "low": 19350.0, "high": 199000.0, "brands": 1, "merchants": 2}, "top_listing": {"id": "h_15974695371097", "brand": "Rolex", "model": "Rolex Cosmograph Daytona 6262 Exotic White Dial", "reference": "6262", "year": null, "case_material": "Stainless Steel", "case_size_mm": 40.0, "movement": "Automatic", "complications": [], "condition": "excellent", "box_papers": "full_set", "price_usd": 199000.0, "currency": "USD", "merchant_slug": "bulang-and-sons", "merchant_url": "https://bulangandsons.com/products/rolex-cosmograph-daytona-6262-exotic-white-dial-w3423", "image_url": "https://cdn.shopify.com/s/files/1/0961/8613/8969/files/W-3423RolexCosmographDaytonaexoticwhitedialref6262_252_1x1_359f90df-b668-4ccf-ae82-02315d9e808f.jpg?v=1764841079", "title": "Rolex Rolex Cosmograph Daytona 6262 Exotic White Dial", "description": " One of the most iconic wristwatch models in history is the Rolex Daytona. 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