{"product_id":"nauteiko-openheart-diamond-edition","title":"Nauteiko Openheart Diamond Edition","description":"\u003cp\u003eAn exclusive piece that combines the elegance of the iconic Nauteiko design with a touch of timeless luxury. The open-heart detail reveals the heartbeat of the automatic movement, while zirconia-set markers add sophisticated brilliance. A watch that balances craftsmanship, precision, and refined style.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eTechnical specifications\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003e· Diameter: 41 mm (excluding crown), contemporary and balanced\u003cbr\u003e· Movement: Seiko original NH38 automatic, visible through the open-heart window\u003cbr\u003e· Thickness: 12 mm, comfortable for daily wear\u003cbr\u003e· Crystal: Scratch-resistant sapphire with anti-reflective coating\u003cbr data-is-only-node=\"\"\u003e· Luminosity: Luminova on hands and indices, perfect in low light\u003cbr\u003e· Case: 904L stainless steel, resistant and elegant\u003cbr\u003e· Crown: Screw-down, secure and functional\u003cbr\u003e· Wrist size: Adjustable between 14.5 cm and 22 cm\u003cbr\u003e· Lugs: 13 mm\u003cbr\u003e· Strap: 904L stainless steel with safety butterfly clasp\u003cbr\u003e· Case back: Transparent, showcasing the automatic movement\u003cbr\u003e· Water resistance: 3 ATM, ideal for daily use and splash resistant\u003c\/p\u003e","brand":"Roman Watches","offers":[{"title":"No","offer_id":54961326063945,"sku":"RW-LOGO-00153-NO","price":299.95,"currency_code":"EUR","in_stock":true},{"title":"Silver","offer_id":54961326096713,"sku":"RW-LOGO-00153-SILVER","price":319.95,"currency_code":"EUR","in_stock":true},{"title":"Gold","offer_id":54961326129481,"sku":"RW-LOGO-00153-GOLD","price":319.95,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1023\/8345\/2489\/files\/7_2.jpg?v=1785312845","url":"https:\/\/roman-watches.com\/products\/nauteiko-openheart-diamond-edition","provider":"Roman Watches","version":"1.0","type":"link"}