{"product_id":"montre-seiko-presage-coeur-ouvert-homme-automatique-ssa405j1-blue-moon","title":"Seiko Presage Open Heart Men's Automatic Watch SSA405J1 Blue Moon","description":"\u003ch2\u003eSeiko Presage SSA405J1 Open Heart: Sapphire crystal, 40.5 mm, 41-hour power reserve\u003c\/h2\u003e\u003ch3\u003eCollection\u003c\/h3\u003e\u003cp\u003eThe \u003cstrong\u003eSeiko SSA405J1\u003c\/strong\u003e is part of the \u003cstrong\u003ePresage\u003c\/strong\u003e collection with an open heart complication. The circular cutout on the dial reveals the balance wheel and a portion of the gear train, allowing observation of the movement in operation. Caliber 4R38 with a 41-hour power reserve, 40.5 mm case.\u003c\/p\u003e\u003ch3\u003eCase\u003c\/h3\u003e\u003cp\u003eThe case of the \u003cstrong\u003eSeiko SSA405J1\u003c\/strong\u003e is made of \u003cstrong\u003estainless steel\u003c\/strong\u003e, with a diameter of \u003cstrong\u003e40.5 mm\u003c\/strong\u003e and a thickness of \u003cstrong\u003e13.1 mm\u003c\/strong\u003e. The bezel is fixed. The blue dial is protected by a \u003cstrong\u003esapphire crystal\u003c\/strong\u003e, the most scratch-resistant, with an anti-reflective coating. The case back is \u003cstrong\u003eexhibition (transparent)\u003c\/strong\u003e, allowing observation of the movement in operation. \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 SSA405J1\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 dial opening 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\u003eSeiko SSA405J1\u003c\/strong\u003e is equipped with a \u003cstrong\u003eleather strap\u003c\/strong\u003e, adding an elegant touch to this model, fastened by a \u003cstrong\u003edeployant clasp\u003c\/strong\u003e, which makes it easy to put on and take off the watch while securing the strap to the wrist. The lug width is \u003cstrong\u003e20 mm\u003c\/strong\u003e.\u003c\/p\u003e","brand":"SEIKO","offers":[{"title":"Default Title","offer_id":52488834908502,"sku":"SEI595","price":390.0,"currency_code":"EUR","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0726\/0818\/6710\/files\/MONTRE-SEIKO-SSA405J1.jpg?v=1773065297","url":"https:\/\/psbwatches.com\/en\/products\/montre-seiko-presage-coeur-ouvert-homme-automatique-ssa405j1-blue-moon","provider":"PSB WATCHES","version":"1.0","type":"link"}