{"product_id":"seiko-prospex-marinemaster-marinemaster-1968-heritage-divers-watch-hbf001","title":"Seiko Prospex Marinemaster Marinemaster 1968 Heritage Diver's Watch HBF001","description":"\u003cdiv class=\"cj-desc\" style=\"font-family: system-ui,-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,Arial,sans-serif; color:#111; max-width:900px; margin:0 auto; line-height:1.7;\"\u003e\n\n\u003cp style=\"font-size:14px; margin-bottom:18px;\"\u003eBuilt for serious diving performance, this Seiko timepiece is powered by the high-grade Caliber 8L45 automatic movement, offering manual winding capability, a frequency of 28,800 vibrations per hour, and an approximately 72-hour power reserve. Its robust stainless steel case features a ceramic bezel display, dual-curved sapphire crystal, and 300-metre diver’s water resistance. LumiBrite on the hands, indexes, and bezel ensures excellent visibility, while the solid bracelet clasp with slide adjuster provides a secure and practical fit.\u003c\/p\u003e\n\n\u003cdiv style=\"display:grid; grid-template-columns:repeat(auto-fit,minmax(320px,1fr)); gap:18px;\"\u003e\n\n\u003ctable style=\"width:100%; border-collapse:collapse; font-size:13.5px;\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth colspan=\"2\" style=\"text-align:left; background:#fafafa; border:1px solid #ddd; padding:8px; font-weight:600;\"\u003eMovement\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd; padding:8px;\"\u003eCaliber Number\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd; padding:8px;\"\u003e8L45\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd; padding:8px;\"\u003eMovement Type\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd; padding:8px;\"\u003eAutomatic with manual winding\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd; padding:8px;\"\u003ePrecision\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd; padding:8px;\"\u003e+10 to -5 seconds per day\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd; padding:8px;\"\u003ePower Reserve\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd; padding:8px;\"\u003eApprox. 72 hours (3 days)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd; padding:8px;\"\u003eJewels\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd; padding:8px;\"\u003e35\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd; padding:8px;\"\u003eFrequency\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd; padding:8px;\"\u003e28,800 vibrations per hour (8 beats per second)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd; padding:8px;\"\u003eFunctions\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd; padding:8px;\"\u003eStop second hand function, date display\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd; padding:8px;\"\u003eWater Resistance\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd; padding:8px;\"\u003e300 m \/ 1,000 ft diver's\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd; padding:8px;\"\u003eMagnetic Resistance\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd; padding:8px;\"\u003e4,800 A\/m\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ctable style=\"width:100%; border-collapse:collapse; font-size:13.5px;\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth colspan=\"2\" style=\"text-align:left; background:#fafafa; border:1px solid #ddd; padding:8px; font-weight:600;\"\u003eCase \u0026amp; Band\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd; padding:8px;\"\u003eCase Material\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd; padding:8px;\"\u003eStainless steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd; padding:8px;\"\u003eBezel\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd; padding:8px;\"\u003eStainless steel with ceramic display\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd; padding:8px;\"\u003eCase Diameter\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd; padding:8px;\"\u003e42.6 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd; padding:8px;\"\u003eThickness\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd; padding:8px;\"\u003e14.1 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd; padding:8px;\"\u003eLug-to-Lug\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd; padding:8px;\"\u003e49.3 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd; padding:8px;\"\u003eDistance Between Lugs\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd; padding:8px;\"\u003e20 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd; padding:8px;\"\u003eCrystal\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd; padding:8px;\"\u003eDual-curved sapphire crystal\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd; padding:8px;\"\u003eCrystal Coating\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd; padding:8px;\"\u003eAnti-reflective coating on inner surface\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd; padding:8px;\"\u003eLumiBrite\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd; padding:8px;\"\u003eLumiBrite on hands, indexes and bezel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd; padding:8px;\"\u003eClasp\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd; padding:8px;\"\u003eThree-fold clasp with push-button release, solid \u0026amp; slide adjuster\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd; padding:8px;\"\u003eOther Features\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd; padding:8px;\"\u003eUnidirectional rotating bezel, screw-down crown, screw case back\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"SEIKO","offers":[{"title":"Default Title","offer_id":46146081882182,"sku":"HBF001","price":2744.0,"currency_code":"GBP","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2000\/5219\/files\/HBF001J1_7b12a120-6b55-4fdc-a392-e15d6483ca61.png?v=1786836891","url":"https:\/\/christinejewellers.com\/en-gb\/products\/seiko-prospex-marinemaster-marinemaster-1968-heritage-divers-watch-hbf001","provider":"Christine Jewellers","version":"1.0","type":"link"}