{"product_id":"titnm-40-8mm-blue-ushio-300-spring-drive-diver","title":"Evolution 9 SLGB023","description":"\u003cp\u003e\u003cspan\u003eIn 2025, Grand Seiko unveiled the Spring Drive Caliber 9RB2, a groundbreaking movement that received the then-new U.F.A. designation, standing for “Ultra Fine Accuracy.” Boasting an annual accuracy rate of ±20 seconds, Caliber 9RB2 earned the distinction of being the most accurate wristwatch movement powered by a mainspring.* This model is powered by Caliber 9RB1, featuring an improved construction that makes it ideal for sporting conditions while sharing the same attributes as the Caliber 9RB2.\u003c\/span\u003e\u003c\/p\u003e","brand":"Grand Seiko","offers":[{"title":"Default Title","offer_id":67609963102445,"sku":"IT35968","price":12400.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2318\/6005\/files\/SLGB023G.png?v=1791576128","url":"https:\/\/www.diamondcellar.com\/products\/titnm-40-8mm-blue-ushio-300-spring-drive-diver","provider":"Diamond Cellar","version":"1.0","type":"link"}