{"product_id":"patek-18kt-2451-calatrava-black-starr-gorham-watch","title":"Patek Philippe Calatrava Ref. 2451 \"Black Starr \u0026 Gorham\" \"Aquatic\" 18 Karat Yellow Gold Wristwatch","description":"\u003ch3\u003eDouble-Signed Black, Starr \u0026amp; Gorham Dial · Caliber 10-200 · Circa 1950s\u003c\/h3\u003e\n\u003cp\u003eA Patek Philippe Calatrava reference 2451 in 18 karat yellow gold, powered by the celebrated manual-wind \u003cstrong\u003eCaliber 10-200\u003c\/strong\u003e and distinguished by an exceptionally rare \u003cstrong\u003edouble-signed Black, Starr \u0026amp; Gorham\u003c\/strong\u003e retailer dial.\u003c\/p\u003e\n\u003cp\u003eAmong post-war Calatrava references, the Ref. 2451 occupies a unique place within the firm's history. Often referred to by collectors as the \u003cstrong\u003e\"Aquatic\" Calatrava\u003c\/strong\u003e, it introduced an improved water-resistant case while preserving the restrained proportions and elegance that define the Calatrava collection. The reference is believed to have been produced in relatively limited numbers, making surviving examples increasingly difficult to acquire.\u003c\/p\u003e\n\u003cp\u003eWhat distinguishes this watch further is its original co-signed dial.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003eAbout Black, Starr \u0026amp; Gorham\u003c\/h2\u003e\n\u003cp\u003eFounded in \u003cstrong\u003e1810\u003c\/strong\u003e, \u003cstrong\u003eBlack, Starr \u0026amp; Gorham\u003c\/strong\u003e is America's oldest continuously operating luxury jeweler. During the twentieth century, the firm retailed watches from only the most prestigious Swiss manufacturers, including Patek Philippe. Watches bearing both the retailer's signature and the Patek Philippe name were produced in limited quantities for the American market and today rank among the most desirable vintage examples due to their rarity and historical significance.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3\u003eDetails\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eMaker:\u003c\/strong\u003e Patek Philippe\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eModel:\u003c\/strong\u003e Calatrava \"Aquatic\"\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eReference:\u003c\/strong\u003e 2451\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eProduction:\u003c\/strong\u003e Circa 1950s\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eMovement:\u003c\/strong\u003e Patek Philippe Caliber 10-200 Manual Wind\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFunctions:\u003c\/strong\u003e Hours, Minutes, Small Seconds\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCase:\u003c\/strong\u003e 18 Karat Yellow Gold\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCase Diameter:\u003c\/strong\u003e Approximately 30 mm\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eLug-to-Lug:\u003c\/strong\u003e Approximately 38 mm\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCrystal:\u003c\/strong\u003e Acrylic\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3\u003eDial\u003c\/h3\u003e\n\u003cp\u003eOriginal Champagne Dial\u003c\/p\u003e\n\u003cp\u003eDouble Signed\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003ePatek Philippe Genève\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eBlack, Starr \u0026amp; Gorham\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eApplied Baton Hour Markers\u003c\/p\u003e\n\u003cp\u003eSubsidiary Seconds\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3\u003eStrap\u003c\/h3\u003e\n\u003cp\u003eRed Leather Strap\u003c\/p\u003e\n\u003cp\u003eGold-Tone Tang Buckle\u003c\/p\u003e\n\u003cp\u003eMaximum Wrist Size: Approximately 7.75 inches\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3\u003eWeight\u003c\/h3\u003e\n\u003cp\u003e35.5 grams\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3\u003eAccessories\u003c\/h3\u003e\n\u003cp\u003eWatch only.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3\u003eCondition\u003c\/h3\u003e\n\u003cp\u003eEstate.\u003c\/p\u003e\n\u003cp\u003eThe case displays honest wear consistent with age while retaining its overall proportions. The original double-signed dial exhibits natural patina acquired over decades of use, with the retailer signature remaining clear and legible. The movement is currently running; service history is unknown.\u003c\/p\u003e\n\u003chr\u003e\n\u003cp\u003eOriginal retailer-signed Patek Philippe wristwatches represent an important chapter in twentieth-century horology, combining the craftsmanship of the Geneva manufacture with the provenance of one of America's great luxury retailers. The combination of the uncommon Ref. 2451, the celebrated Caliber 10-200, and the surviving Black, Starr \u0026amp; Gorham signature places this example among the more desirable vintage Calatravas encountered on today's market.\u003c\/p\u003e","brand":"Hannosh's","offers":[{"title":"Default Title","offer_id":48513377402980,"sku":null,"price":22000.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0704\/9927\/0756\/files\/FEB2026-91_Medium_86b3556a-5ef9-4679-8bff-22f923e35bf5.jpg?v=1784574312","url":"https:\/\/efi7jd-xk.myshopify.com\/products\/patek-18kt-2451-calatrava-black-starr-gorham-watch","provider":"Hannosh's","version":"1.0","type":"link"}