{"product_id":"seiko-4954628254368","title":"Seiko Prospex SPB453J1 Men's Watch Black • Automatic Movement Calibre 6R55 • 300 m Water-Resistant","description":"\u003cp\u003eThe \u003cstrong\u003eSeiko Prospex SPB453J1\u003c\/strong\u003e is a professional diver's watch for men, drawing inspiration from the legendary 62MAS design of 1965. The 40 mm stainless steel case features a distinctive black dial with raised white and steel indices, paired with a black rotating bezel that gives the watch its striking monochromatic, sporting character. The domed sapphire crystal with internal anti-reflective coating ensures optimal legibility both underwater and in bright ambient light.\u003c\/p\u003e\u003cp\u003eAt its heart beats the in-house automatic movement Calibre 6R55, offering a power reserve of 72 hours and a frequency of 21,600 semi-oscillations per hour. The watch is water-resistant to 300 metres — a first for non-saturation diving models in the Prospex line — and is fitted with a screw-down crown for reliable protection in demanding conditions. The hands and indices are coated with Lumibrite luminous material, ensuring divers enjoy perfect legibility even in dark waters. The stainless steel bracelet with folding clasp and diver extension completes the overall package.\u003c\/p\u003e\u003ch2\u003eKey Features of the Seiko SPB453J1 Watch\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eAutomatic Movement Calibre 6R55\u003c\/strong\u003e with 72-hour power reserve for dependable, battery-free operation\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e300 m water resistance\u003c\/strong\u003e with screw-down crown, ideal for professional and serious recreational divers\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDomed sapphire crystal\u003c\/strong\u003e with internal anti-reflective coating and an all-black retro design inspired by the original 62MAS of 1965\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Seiko","offers":[{"title":"Default Title","offer_id":57076122943814,"sku":"4954628254368","price":945.09,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0948\/4081\/5942\/files\/raw1_8c840387-07a6-43b5-ab06-472a7f83adc5.webp?v=1785979474","url":"https:\/\/www.timeshop4you.co.uk\/products\/seiko-4954628254368","provider":"uhren4you","version":"1.0","type":"link"}