{"product_id":"seiko-mod-nautilus-open-heart-all-black","title":"Seiko Mod Nautilus \"Open Heart All Black\"","description":"\u003cp data-start=\"0\" data-end=\"341\"\u003eThe \u003cstrong\u003eSeiko Mod Nautilus \"Open Heart All Black\"\u003c\/strong\u003e stands out for its aggressive, modern, and sophisticated aesthetic, inspired by the most exclusive integrated sports watches in high-end watchmaking. Its all-black finish, combined with a textured dial and open heart design, creates an elegant and characterful presence on the wrist.\u003c\/p\u003e\n\u003cp data-start=\"343\" data-end=\"688\"\u003eInside, it incorporates the reliable \u003cstrong data-start=\"378\" data-end=\"414\"\u003eSeiko NH38 automatic movement\u003c\/strong\u003e, renowned for its smoothness, durability, and precise operation. Its open heart aperture reveals part of the mechanical movement, providing a much more visual and artisanal experience, while the transparent case back allows the mechanism in operation to be appreciated.\u003c\/p\u003e\n\u003cp data-start=\"690\" data-end=\"942\"\u003eThe combination of its intense black dial, darkened finishes, and fully integrated bracelet makes this piece a modern, minimalist watch with a very exclusive aesthetic, perfect for those seeking a different design with personality.\u003c\/p\u003e\n\u003cp data-start=\"944\" data-end=\"1078\"\u003eEach unit is carefully prepared before shipping and includes full presentation, adjustment tool, and a \u003cstrong data-start=\"1055\" data-end=\"1077\"\u003e2-year warranty\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp data-start=\"1080\" data-end=\"1112\"\u003e\u003cstrong data-start=\"1080\" data-end=\"1112\"\u003eKey features:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"1114\" data-end=\"1523\"\u003e\u003cstrong data-start=\"1114\" data-end=\"1127\"\u003eDiameter:\u003c\/strong\u003e 41 mm\u003cbr data-start=\"1133\" data-end=\"1136\"\u003e\u003cstrong data-start=\"1136\" data-end=\"1151\"\u003eMovement:\u003c\/strong\u003e Seiko NH38 automatic\u003cbr data-start=\"1173\" data-end=\"1176\"\u003e\u003cstrong data-start=\"1176\" data-end=\"1202\"\u003eMovement origin:\u003c\/strong\u003e Japan\u003cbr data-start=\"1208\" data-end=\"1211\"\u003e\u003cstrong data-start=\"1211\" data-end=\"1223\"\u003eCrystal:\u003c\/strong\u003e Sapphire\u003cbr data-start=\"1230\" data-end=\"1233\" data-is-only-node=\"\"\u003e\u003cstrong data-start=\"1233\" data-end=\"1245\"\u003eFinish:\u003c\/strong\u003e Stainless steel with black finish\u003cbr data-start=\"1279\" data-end=\"1282\"\u003e\u003cstrong data-start=\"1282\" data-end=\"1291\"\u003eDial:\u003c\/strong\u003e Textured black with open heart design\u003cbr data-start=\"1331\" data-end=\"1334\"\u003e\u003cstrong data-start=\"1334\" data-end=\"1359\"\u003eLuminous hands:\u003c\/strong\u003e Yes\u003cbr data-start=\"1362\" data-end=\"1365\"\u003e\u003cstrong data-start=\"1365\" data-end=\"1379\"\u003eBracelet:\u003c\/strong\u003e Integrated with adjustable butterfly clasp\u003cbr data-start=\"1419\" data-end=\"1422\"\u003e\u003cstrong data-start=\"1422\" data-end=\"1439\"\u003eCase back:\u003c\/strong\u003e Transparent, with visible movement\u003cbr data-start=\"1476\" data-end=\"1479\"\u003e\u003cstrong data-start=\"1479\" data-end=\"1503\"\u003eWater resistance:\u003c\/strong\u003e 5 ATM \/ 50 meters\u003c\/p\u003e\n\u003cp data-start=\"1525\" data-end=\"1551\"\u003e\u003cstrong data-start=\"1525\" data-end=\"1551\"\u003eIncluded with your order\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"1553\" data-end=\"1648\" data-is-last-node=\"\" data-is-only-node=\"\"\u003ePremium presentation, manual, bracelet adjustment tool, and a \u003cstrong data-start=\"1625\" data-end=\"1647\"\u003e2-year warranty\u003c\/strong\u003e.\u003c\/p\u003e","brand":"MH Watches \u0026 Jewelry","offers":[{"title":"Default Title","offer_id":57914601373960,"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_20_32.png?v=1780150849","url":"https:\/\/mhjewelry.co\/en\/products\/seiko-mod-nautilus-open-heart-all-black","provider":"MH Watches \u0026 Jewelry","version":"1.0","type":"link"}