{"product_id":"grand-seiko-heritage-collection-sbga413","title":"Grand Seiko Heritage Collection","description":"\u003cp\u003eThis is Grand Seiko at its most poetic. The dial texture evokes the cherry blossom of Shunbun, the spring equinox in the traditional Japanese calendar, and the 40mm case is Zaratsu-polished by hand to distortion-free mirror surfaces. What sets it apart is inside: Spring Drive, powered by a mainspring like any mechanical watch but regulated by a quartz oscillator, so the seconds hand glides in perfect continuous motion rather than ticking. Accuracy is quoted at one second per day.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eReference:\u003c\/strong\u003e SBGA413\u003cbr\u003e\u003cstrong\u003eMovement:\u003c\/strong\u003e Spring Drive, calibre 9R65 — continuous glide seconds\u003cbr\u003e\u003cstrong\u003ePower reserve:\u003c\/strong\u003e approx. 72 hours\u003cbr\u003e\u003cstrong\u003eCase:\u003c\/strong\u003e Titanium, 40 mm\u003cbr\u003e\u003cstrong\u003eWater resistance:\u003c\/strong\u003e 100 m\u003cbr\u003e\u003cstrong\u003eYear:\u003c\/strong\u003e 2026 — Full set\u003c\/p\u003e","brand":"Grand Seiko","offers":[{"title":"Default Title","offer_id":54641363616110,"sku":"SBGA413","price":5500.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1019\/2479\/8830\/files\/SBGA413.jpg?v=1789403440","url":"https:\/\/luxurygroupstore.com\/da\/products\/grand-seiko-heritage-collection-sbga413","provider":"Luxury Group - Rsm. Malta","version":"1.0","type":"link"}