{"product_id":"grand-seiko-slga027-heritage-collection-automatic-mechanical-mens-watch-2025-10-release","title":"Grand Seiko SLGA027 Heritage Collection Automatic mechanical men's watch  2025.10 release","description":"\u003ctable style=\"width:100%\"\u003e\n\u003ctr\u003e\u003ctd colspan=\"2\" style=\"font-weight:800; padding:5px;background:#d9d9d9;\"\u003eProduct Highlights\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003ctd colspan=\"2\"\u003eBack cover specification: transparent screw back cover\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border-bottom:1px solid #5d5d5d;font-weight:600;\"\u003eCase\u003c\/td\u003e\n\u003ctd style=\"border-bottom:1px solid #ccc;\"\u003e18K White Gold\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border-bottom:1px solid #5d5d5d;font-weight:600;\"\u003eBack\u003c\/td\u003e\n\u003ctd style=\"border-bottom:1px solid #ccc;\"\u003e18K white gold + sapphire glass\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border-bottom:1px solid #5d5d5d;font-weight:600;\"\u003eBack cover specification\u003c\/td\u003e\n\u003ctd style=\"border-bottom:1px solid #ccc;\"\u003etransparent screw back cover\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border-bottom:1px solid #5d5d5d;font-weight:600;\"\u003eGlass Material\u003c\/td\u003e\n\u003ctd style=\"border-bottom:1px solid #ccc;\"\u003eBox Sapphire\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border-bottom:1px solid #5d5d5d;font-weight:600;\"\u003eCoating\u003c\/td\u003e\n\u003ctd style=\"border-bottom:1px solid #ccc;\"\u003eno reflective coating on the inside\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border-bottom:1px solid #5d5d5d;font-weight:600;\"\u003eCase Size\u003c\/td\u003e\n\u003ctd style=\"border-bottom:1px solid #ccc;\"\u003e40.0mm wide, 47.4mm high, 12.1mm thick\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border-bottom:1px solid #5d5d5d;font-weight:600;\"\u003eStrap width\u003c\/td\u003e\n\u003ctd style=\"border-bottom:1px solid #ccc;\"\u003e19 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border-bottom:1px solid #5d5d5d;font-weight:600;\"\u003eMagnetic buckle\u003c\/td\u003e\n\u003ctd style=\"border-bottom:1px solid #ccc;\"\u003eone key double opening mode\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border-bottom:1px solid #5d5d5d;font-weight:600;\"\u003eMovement model\u003c\/td\u003e\n\u003ctd style=\"border-bottom:1px solid #ccc;\"\u003e9RA2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border-bottom:1px solid #5d5d5d;font-weight:600;\"\u003eDriving mode\u003c\/td\u003e\n\u003ctd style=\"border-bottom:1px solid #ccc;\"\u003espring driven automatic winding (with manual winding function)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border-bottom:1px solid #5d5d5d;font-weight:600;\"\u003eDriving time\u003c\/td\u003e\n\u003ctd style=\"border-bottom:1px solid #ccc;\"\u003eabout 120 hours (about 5 days) at the maximum winding\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border-bottom:1px solid #5d5d5d;font-weight:600;\"\u003eAccuracy\u003c\/td\u003e\n\u003ctd style=\"border-bottom:1px solid #ccc;\"\u003emean monthly difference ± 10 seconds (equivalent to daily difference ± 0.5 seconds)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border-bottom:1px solid #5d5d5d;font-weight:600;\"\u003eWaterproof\u003c\/td\u003e\n\u003ctd style=\"border-bottom:1px solid #ccc;\"\u003ereinforced waterproof for daily use (10 air pressure)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border-bottom:1px solid #5d5d5d;font-weight:600;\"\u003eDiamagnetism\u003c\/td\u003e\n\u003ctd style=\"border-bottom:1px solid #ccc;\"\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border-bottom:1px solid #5d5d5d;font-weight:600;\"\u003eOther\u003c\/td\u003e\n\u003ctd style=\"border-bottom:1px solid #ccc;\"\u003ePower reserve disp\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border-bottom:1px solid #5d5d5d;font-weight:600;\"\u003eRetail Price\u003c\/td\u003e\n\u003ctd style=\"border-bottom:1px solid #ccc;\"\u003e¥ 6,930,000 JPY\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e","brand":"IPPO JAPAN WATCH","offers":[{"title":"Default Title","offer_id":42474411393108,"sku":"SLGA027","price":7216000.0,"currency_code":"JPY","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0284\/7401\/5828\/files\/SLGA0271.png?v=1757946741","url":"https:\/\/www.ippojapanwatch.com\/ja\/products\/grand-seiko-slga027-heritage-collection-automatic-mechanical-mens-watch-2025-10-release","provider":"IPPO JAPAN WATCH ","version":"1.0","type":"link"}