{"product_id":"grand-seiko-heritage-collection-sbgw291","title":"Grand Seiko Heritage Collection","description":"\u003cp\u003eThe Heritage Collection is Grand Seiko at its quietest, and hand-winding is what allows the case to stay this slim — no rotor, so the movement sits thinner and the caseback shows it uninterrupted. At 36.5mm every surface of the steel case is Zaratsu-polished by hand against a rotating tin plate, producing mirrors with no distortion at all.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eReference:\u003c\/strong\u003e SBGW291\u003cbr\u003e\u003cstrong\u003eMovement:\u003c\/strong\u003e Hand-wound, Grand Seiko manufacture calibre\u003cbr\u003e\u003cstrong\u003ePower reserve:\u003c\/strong\u003e approx. 72 hours\u003cbr\u003e\u003cstrong\u003eCase:\u003c\/strong\u003e Stainless steel, 36.5 mm, Zaratsu polished\u003cbr\u003e\u003cstrong\u003eWater resistance:\u003c\/strong\u003e 30 m\u003cbr\u003e\u003cstrong\u003eYear:\u003c\/strong\u003e 2026 — Full set\u003c\/p\u003e","brand":"Grand Seiko","offers":[{"title":"Default Title","offer_id":54641474437486,"sku":"SBGW291","price":4500.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1019\/2479\/8830\/files\/SBGW291.jpg?v=1789403679","url":"https:\/\/luxurygroupstore.com\/products\/grand-seiko-heritage-collection-sbgw291","provider":"Luxury Group - Rsm. Malta","version":"1.0","type":"link"}