{"product_id":"seiko-hbf001j1","title":"Seiko Prospex Marinemaster HBF001J1 Men's Watch • Sapphire Crystal • 300m Water-Resistant","description":"\u003cp\u003eThe Seiko Prospex Marinemaster HBF001J1 is a remarkable dive watch masterpiece from Seiko, reimagining the heritage collection of 1968 as a modern high-performance timepiece. The robust stainless steel case, measuring 42.6mm in diameter and 14.1mm in thickness, houses Seiko's in-house automatic movement with manual winding, achieving a precision of +10 to -5 seconds per day. The watch is certified water-resistant to 300 metres, making it a true professional diver's watch.\u003c\/p\u003e\u003cp\u003eEquipped with a doubly curved sapphire crystal with anti-reflective inner coating, along with LumiBrite on the hands, indices and bezel, the Marinemaster HBF001J1 offers excellent legibility even in low-light conditions. The unidirectional rotating bezel in stainless steel with a ceramic surface, the screw-down crown and screw-down case back complete the professional dive watch concept. A triple-folding clasp with push-button release and sliding adjustment ensures a secure fit on the wrist.\u003c\/p\u003e\u003ch2\u003eKey Features of the Seiko HBF001J1 Watch\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eAutomatic movement Calibre 8L45\u003c\/strong\u003e with manual winding, approximately 72 hours of power reserve and 28,800 vibrations per hour for precise timekeeping\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDoubly curved sapphire crystal\u003c\/strong\u003e with anti-reflective inner coating and LumiBrite luminous material on hands, indices and bezel\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e300 metres water resistance\u003c\/strong\u003e thanks to the screw-down crown, screw-down case back and unidirectional rotating bezel with ceramic surface\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Seiko","offers":[{"title":"Default Title","offer_id":57046043820358,"sku":"HBF001J1","price":3314.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0948\/4081\/5942\/files\/img_HBF001J1_ogp.jpg?v=1785487093","url":"https:\/\/www.timeshop4you.co.uk\/products\/seiko-hbf001j1","provider":"uhren4you","version":"1.0","type":"link"}