{"product_id":"seiko-prospex-1965-heritage-diver-s-scuba-blue-spb451j1","title":"Seiko Prospex 1965 Heritage Diver’s Scuba Blue SPB451J1","description":"\u003cp\u003eThe 1965 Heritage Diver’s Watch updates the original Seiko diver design in a compact 40 mm case, with a deep-blue dial and bezel, the 6R55 automatic movement and 300-meter diver's water resistance.\u003c\/p\u003e\u003ch3\u003eManufacturer specifications — Seiko\u003c\/h3\u003e\u003ch4\u003eMovement\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCaliber:\u003c\/strong\u003e 6R55\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e Automatic with manual winding\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePower reserve:\u003c\/strong\u003e Approximately 72 hours (3 days)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDaily accuracy specification:\u003c\/strong\u003e +25 to −15 seconds\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eJewels:\u003c\/strong\u003e 24\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFunctions:\u003c\/strong\u003e Hacking\/stop-seconds function; Date window between 4 and 5 o’clock\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eExterior\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCase material:\u003c\/strong\u003e Stainless steel\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDiameter:\u003c\/strong\u003e 40.0 mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThickness:\u003c\/strong\u003e 13.0 mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLug to lug:\u003c\/strong\u003e 46.4 mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLug width:\u003c\/strong\u003e 20 mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDial and bezel:\u003c\/strong\u003e Deep blue dial and matching blue unidirectional bezel\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCrystal:\u003c\/strong\u003e Curved sapphire with anti-reflective coating on its inner surface\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLumiBrite:\u003c\/strong\u003e Hands, hour markers and bezel\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBracelet:\u003c\/strong\u003e Stainless steel\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eClasp:\u003c\/strong\u003e Three-fold secure-lock clasp, push-button release and diver's extender\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 168 g\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eOther features\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eWater resistance:\u003c\/strong\u003e 300 m \/ 1,000 ft diver’s watch\u003c\/li\u003e\n\u003cli\u003eScrew-down crown\u003c\/li\u003e\n\u003cli\u003eScrew-down case back\u003c\/li\u003e\n\u003cli\u003eUnidirectional rotating bezel\u003c\/li\u003e\n\u003cli\u003eStainless-steel case and bracelet with Seiko super-hard coating\u003c\/li\u003e\n\u003cli\u003eMagnetic resistance: 4,800 A\/m\u003c\/li\u003e\n\u003cli\u003eCompact heritage case with updated shorter bracelet links\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003csmall\u003eSource: \u003ca href=\"https:\/\/www.seikowatches.com\/us-en\/products\/prospex\/spb451j1\" target=\"_blank\" rel=\"noopener noreferrer\"\u003eSeiko Watch Corporation — SPB451J1 manufacturer specifications\u003c\/a\u003e.\u003c\/small\u003e\u003c\/p\u003e","brand":"Seiko","offers":[{"title":"Default Title","offer_id":67661535707500,"sku":"SPB451J1","price":1000.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1021\/0741\/4892\/files\/Seiko-SPB451J1-hero.png?v=1791571502","url":"https:\/\/blacklandwatchco.com\/products\/seiko-prospex-1965-heritage-diver-s-scuba-blue-spb451j1","provider":"Blackland Watch Co. ","version":"1.0","type":"link"}