{"product_id":"montre-seiko-prospex-automatique-homme-spb451j1-bleu-1965-heritage","title":"Seiko Prospex Automatic Men's Watch SPB451J1 Blue 1965 Heritage","description":"\u003ch2\u003eThe Prospex 1965 revisited in blue: automatic 6R55, 70-hour power reserve\u003c\/h2\u003e\u003ch3\u003eCollection\u003c\/h3\u003e\u003cp\u003eThe \u003cstrong\u003eSeiko SPB451J1\u003c\/strong\u003e belongs to the \u003cstrong\u003eProspex 1965 Heritage\u003c\/strong\u003e range, a direct tribute to Seiko's first diver's watch from 1965, the 62MAS. This model features the short-lug case, clean dial, and period proportions—here in 42 mm—while incorporating modern standards: anti-reflective sapphire crystal, 6R55 caliber with manual winding, and water resistance increased to 200 m.\u003c\/p\u003e\u003ch3\u003eCase\u003c\/h3\u003e\u003cp\u003eThe case of the \u003cstrong\u003eSeiko SPB451J1\u003c\/strong\u003e is made of \u003cstrong\u003estainless steel\u003c\/strong\u003e, with a diameter of \u003cstrong\u003e42 mm\u003c\/strong\u003e and a thickness of \u003cstrong\u003e13.8 mm\u003c\/strong\u003e. The \u003cstrong\u003eunidirectional rotating bezel\u003c\/strong\u003e allows for precise measurement of dive times. The blue dial is protected by a \u003cstrong\u003esapphire crystal\u003c\/strong\u003e, the most scratch-resistant, with an anti-reflective coating. The case back is \u003cstrong\u003esolid screw-down\u003c\/strong\u003e. \u003cstrong\u003eWater resistance is 200 m\u003c\/strong\u003e, compliant with ISO 6425 diving standards. The indices and hands are coated with \u003cstrong\u003eLumiBrite\u003c\/strong\u003e, Seiko's luminescent material for extended nighttime legibility. The case benefits from a \u003cstrong\u003eDia-Shield treatment\u003c\/strong\u003e (super-hard coating) which improves its scratch resistance.\u003c\/p\u003e\u003ch3\u003eMovement\u003c\/h3\u003e\u003cp\u003eThe \u003cstrong\u003eSeiko SPB451J1\u003c\/strong\u003e is powered by the \u003cstrong\u003eautomatic caliber 6R55\u003c\/strong\u003e, offering a \u003cstrong\u003epower reserve of approximately 72 hours\u003c\/strong\u003e. The 6R caliber is the high-end of standard Seiko automatic movements: it features hacking and manual winding, and offers a significantly longer power reserve than 4R calibers.\u003c\/p\u003e\u003ch3\u003eBracelet\u003c\/h3\u003e\u003cp\u003eThe \u003cstrong\u003eSeiko SPB451J1\u003c\/strong\u003e is equipped with a \u003cstrong\u003estainless steel bracelet\u003c\/strong\u003e, which is both robust and easy to maintain, secured by a \u003cstrong\u003efolding clasp\u003c\/strong\u003e, which makes it easy to put on and take off the watch while securing the bracelet to the wrist. The lug width is \u003cstrong\u003e20 mm\u003c\/strong\u003e.\u003c\/p\u003e","brand":"SEIKO","offers":[{"title":"Default Title","offer_id":52488822587734,"sku":"SEI481","price":1150.0,"currency_code":"EUR","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0726\/0818\/6710\/files\/MONTRE-SEIKO-SPB451J1.jpg?v=1773064356","url":"https:\/\/psbwatches.com\/en\/products\/montre-seiko-prospex-automatique-homme-spb451j1-bleu-1965-heritage","provider":"PSB WATCHES","version":"1.0","type":"link"}