{"product_id":"seiko-mod-nautilus-open-heart-black","title":"Seiko Mod Nautilus \"Open Heart Black\"","description":"\u003cp data-start=\"0\" data-end=\"357\"\u003eThe \u003cstrong\u003eSeiko Mod Nautilus \"Open Heart Black\"\u003c\/strong\u003e stands out for its elegant and sporty aesthetic inspired by the most exclusive integrated watches in high watchmaking. Its textured black dial incorporates an open heart design that reveals part of the mechanical movement, providing depth, character, and a much more technical and sophisticated presence on the wrist.\u003c\/p\u003e\n\u003cp data-start=\"359\" data-end=\"627\"\u003eInside, it incorporates the reliable \u003cstrong data-start=\"394\" data-end=\"430\"\u003eSeiko NH38 automatic movement\u003c\/strong\u003e, known for its smoothness, durability, and precise operation. It offers automatic winding, manual winding, and a more visual mechanical experience thanks to its open heart dial and transparent case back.\u003c\/p\u003e\n\u003cp data-start=\"629\" data-end=\"846\"\u003eThe combination of its deep black dial, luminescent indices, and integrated bracelet makes this piece an elegant, modern watch with a lot of personality, perfect for both casual and more refined styles.\u003c\/p\u003e\n\u003cp data-start=\"848\" data-end=\"982\"\u003eEach unit is carefully prepared before shipping and includes complete presentation, adjustment tool, and \u003cstrong data-start=\"959\" data-end=\"981\"\u003e2-year warranty\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp data-start=\"984\" data-end=\"1016\"\u003e\u003cstrong data-start=\"984\" data-end=\"1016\"\u003eMain features:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"1018\" data-end=\"1410\"\u003e\u003cstrong data-start=\"1018\" data-end=\"1031\"\u003eDiameter:\u003c\/strong\u003e 41 mm\u003cbr data-start=\"1037\" data-end=\"1040\"\u003e\u003cstrong data-start=\"1040\" data-end=\"1055\"\u003eMovement:\u003c\/strong\u003e Seiko NH38 automatic\u003cbr data-start=\"1077\" data-end=\"1080\"\u003e\u003cstrong data-start=\"1080\" data-end=\"1106\"\u003eMovement origin:\u003c\/strong\u003e Japan\u003cbr data-start=\"1112\" data-end=\"1115\"\u003e\u003cstrong data-start=\"1115\" data-end=\"1127\"\u003eCrystal:\u003c\/strong\u003e Sapphire\u003cbr data-start=\"1134\" data-end=\"1137\" data-is-only-node=\"\"\u003e\u003cstrong data-start=\"1137\" data-end=\"1149\"\u003eFinish:\u003c\/strong\u003e Stainless steel\u003cbr data-start=\"1166\" data-end=\"1169\"\u003e\u003cstrong data-start=\"1169\" data-end=\"1178\"\u003eDial:\u003c\/strong\u003e Textured black with open heart design\u003cbr data-start=\"1218\" data-end=\"1221\"\u003e\u003cstrong data-start=\"1221\" data-end=\"1246\"\u003eLuminescent hands:\u003c\/strong\u003e Yes\u003cbr data-start=\"1249\" data-end=\"1252\"\u003e\u003cstrong data-start=\"1252\" data-end=\"1266\"\u003eBracelet:\u003c\/strong\u003e Integrated with adjustable butterfly clasp\u003cbr data-start=\"1306\" data-end=\"1309\"\u003e\u003cstrong data-start=\"1309\" data-end=\"1326\"\u003eCase back:\u003c\/strong\u003e Transparent, with visible movement\u003cbr data-start=\"1363\" data-end=\"1366\"\u003e\u003cstrong data-start=\"1366\" data-end=\"1390\"\u003eWater resistance:\u003c\/strong\u003e 5 ATM \/ 50 meters\u003c\/p\u003e\n\u003cp data-start=\"1412\" data-end=\"1438\"\u003e\u003cstrong data-start=\"1412\" data-end=\"1438\"\u003eIncluded with your order\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"1440\" data-end=\"1535\" data-is-last-node=\"\" data-is-only-node=\"\"\u003ePremium presentation, manual, bracelet adjustment tool, and \u003cstrong data-start=\"1512\" data-end=\"1534\"\u003e2-year warranty\u003c\/strong\u003e.\u003c\/p\u003e","brand":"MH Watches \u0026 Jewelry","offers":[{"title":"Default Title","offer_id":57914595836168,"sku":null,"price":269.99,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1044\/8588\/0072\/files\/ChatGPTImage30may2026_15_17_42.png?v=1780150675","url":"https:\/\/mhjewelry.co\/en\/products\/seiko-mod-nautilus-open-heart-black","provider":"MH Watches \u0026 Jewelry","version":"1.0","type":"link"}