{"product_id":"grand-seiko-heritage-watch-with-green-dial-40mm","title":"GSK Spring Drive SBGA491","description":"\u003cdiv id=\"okra-elements\" class=\"okra-style-on-init okra-style-after-init okra-style-on-scroll\" okrastyleoninit=\"\"\u003e \u003cdiv class=\"product-info-element okra-style-on-init okra-style-after-init okra-style-on-scroll\" okrastyleoninit=\"\" product-info-element-component=\"\"\u003e \u003csection class=\"product-outline product-tab-content\"\u003e \u003cdiv okra-fundamental-array-element-component=\"\"\u003e \u003cdiv okra-text-element-component=\"\"\u003e \u003cp okraclientoverwritelink=\"\"\u003e\u003cspan\u003eThe Japanese sword, known as the katana, is a world-renowned masterpiece in steel. Crafted through a distinctive and sophisticated process, the katana has created fascination and allure the world over.\u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e\u003cspan\u003eDerived from nature and brought together through expert craftsmanship, the katana is made from earth, fire, water, and air. Iron sand is drawn from the earth and then heated in a furnace known as a tatara. The melted sand forms the Japanese steel, known as tamagahane.\u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e\u003cspan\u003eFrom this Japanese steel, two variations can be found. The first is the high-carbon steel used for the outer sharp edge, or kawagane, and the second is the strong inner core of the blade, or shingane. GSK honors the katana and shingane with the U.S.-exclusive SBGA491.\u003c\/span\u003e\u003c\/p\u003e \u003cp okraclientoverwritelink=\"\"\u003e\u003cstrong\u003eReference Number -\u003c\/strong\u003e SBGA491\u003c\/p\u003e \u003c\/div\u003e \u003c\/div\u003e \u003c\/section\u003e \u003c\/div\u003e \u003c\/div\u003e \u003cp\u003e\u003cstrong\u003eExterior\u003c\/strong\u003e\u003c\/p\u003e \u003cp\u003e\u003cem\u003eCase Material -\u003cspan\u003e \u003c\/span\u003e\u003c\/em\u003eStainless steel\u003c\/p\u003e \u003cp\u003e\u003cem\u003eCase Back - \u003c\/em\u003eSee-through \u0026amp;\u003cem\u003e \u003c\/em\u003eScrew case back\u003c\/p\u003e \u003cp\u003e\u003cem\u003eGlass Material - \u003c\/em\u003eDual-curved sapphire crystal\u003c\/p\u003e \u003cp\u003e\u003cem\u003eGlass Coating - \u003c\/em\u003eAnti-reflective coating on inner surface\u003c\/p\u003e \u003cp\u003e\u003cem\u003eCase Size - \u003c\/em\u003eDiameter 40.0mm Lug-to-Lug 46.2mm Thickness 12.5mm\u003c\/p\u003e \u003cp\u003e\u003cem\u003eBand Width -\u003cspan\u003e 19\u003c\/span\u003e\u003c\/em\u003emm\u003c\/p\u003e \u003cp\u003e\u003cem\u003eClasp type - \u003c\/em\u003eThree-fold clasp with push button release\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eMovement\u003c\/strong\u003e\u003c\/p\u003e \u003cp\u003e\u003cem\u003eCaliber no. -\u003cspan\u003e \u003c\/span\u003e\u003c\/em\u003e9R65\u003c\/p\u003e \u003cp\u003e\u003cem\u003eMovement Type - \u003c\/em\u003eSpring Drive\u003c\/p\u003e \u003cp\u003e\u003cem\u003ePower reserve - \u003c\/em\u003eApprox. 72 hours (3 days)\u003c\/p\u003e \u003cp\u003e\u003cem\u003eAccuracy \u003c\/em\u003e- \u003cspan data-mce-fragment=\"1\"\u003e±\u003c\/span\u003e15 seconds per month (\u003cspan data-mce-fragment=\"1\"\u003e±1 second per day)\u003c\/span\u003e\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eFunctions\u003c\/strong\u003e\u003c\/p\u003e \u003cp\u003e\u003cem\u003eWater resistance - \u003c\/em\u003e10 bar\u003c\/p\u003e \u003cp\u003e\u003cem\u003eMagnetic resistance - \u003c\/em\u003e4,800 A\/m\u003c\/p\u003e \u003cp\u003e\u003cem\u003eOther details \/ Features - \u003c\/em\u003e\u003cspan data-mce-fragment=\"1\"\u003eScrew-down crown, \u003c\/span\u003e30 jewels, Power reserve indicator \u003c\/p\u003e","brand":"GSK","offers":[{"title":"Default Title","offer_id":47977405087893,"sku":"NS330698","price":2240.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0800\/3203\/9061\/files\/SBGA491_soldier_1.png?v=1789128021","url":"https:\/\/chronelle-3.myshopify.com\/products\/grand-seiko-heritage-watch-with-green-dial-40mm","provider":"Chronelle","version":"1.0","type":"link"}