{"product_id":"montre-seiko-presage-coeur-ouvert-homme-automatique-ssa441j1-vert-grasshopper","title":"Seiko Presage Open Heart Men's Automatic Watch SSA441J1 Grasshopper Green","description":"\u003ch2\u003eThe Mechanics on Display: Green Presage 40.5 mm with Open-Heart Dial\u003c\/h2\u003e\u003ch3\u003eCollection\u003c\/h3\u003e\u003cp\u003eThe \u003cstrong\u003eSeiko SSA441J1\u003c\/strong\u003e belongs to the \u003cstrong\u003ePresage Open Heart\u003c\/strong\u003e line. The open dial exposes the 4R38 caliber in motion—a visual signature that illustrates mechanical watchmaking without filters. 40.5 mm case, sapphire crystal, water resistant to 50 m.\u003c\/p\u003e\u003ch3\u003eCase\u003c\/h3\u003e\u003cp\u003eMade of \u003cstrong\u003estainless steel\u003c\/strong\u003e, the case of the \u003cstrong\u003eSeiko SSA441J1\u003c\/strong\u003e measures \u003cstrong\u003e40.5 mm\u003c\/strong\u003e in diameter and \u003cstrong\u003e13.1 mm\u003c\/strong\u003e in thickness. The bezel is fixed. The dial is protected by a \u003cstrong\u003esapphire crystal\u003c\/strong\u003e, the most scratch-resistant, with anti-reflective coating. The case back is \u003cstrong\u003eexhibition (transparent)\u003c\/strong\u003e, allowing the movement to be observed in operation. The \u003cstrong\u003ewater resistance is 50 m\u003c\/strong\u003e, suitable for swimming and splashes.\u003c\/p\u003e\u003ch3\u003eMovement\u003c\/h3\u003e\u003cp\u003eThe \u003cstrong\u003eSeiko SSA441J1\u003c\/strong\u003e is powered by the \u003cstrong\u003eautomatic caliber 4R38\u003c\/strong\u003e, offering a \u003cstrong\u003epower reserve of approximately 41 hours\u003c\/strong\u003e. It includes \u003cstrong\u003ehacking\u003c\/strong\u003e (stopping the second hand for precise time setting) and \u003cstrong\u003emanual winding\u003c\/strong\u003e, two conveniences absent on the previous generation 7S26 caliber. The open dial reveals the balance wheel and a portion of the gear train, making the mechanics directly observable on the wrist.\u003c\/p\u003e\u003ch3\u003eStrap\u003c\/h3\u003e\u003cp\u003eThe \u003cstrong\u003estainless steel bracelet\u003c\/strong\u003e of the \u003cstrong\u003eSeiko SSA441J1\u003c\/strong\u003e, closed by a \u003cstrong\u003efolding clasp\u003c\/strong\u003e, complements the case with coherence. The lug width is \u003cstrong\u003e20 mm\u003c\/strong\u003e.\u003c\/p\u003e","brand":"SEIKO","offers":[{"title":"Default Title","offer_id":52488835236182,"sku":"SEI598","price":420.0,"currency_code":"EUR","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0726\/0818\/6710\/files\/MONTRE-SEIKO-SSA441J1.jpg?v=1773065316","url":"https:\/\/psbwatches.com\/en\/products\/montre-seiko-presage-coeur-ouvert-homme-automatique-ssa441j1-vert-grasshopper","provider":"PSB WATCHES","version":"1.0","type":"link"}