{"product_id":"hamilton-jazzmaster-open-heart-auto-black-dial-steel-strap-mens-dress-watch-h32705180","title":"Hamilton Jazzmaster 42mm Open Heart Black Dial Steel Mens Automatic Watch H32705180","description":"\u003cdiv class=\"flex flex-col text-sm\"\u003e\n\u003carticle class=\"text-token-text-primary w-full focus:outline-none [--shadow-height:45px] has-data-writing-block:pointer-events-none has-data-writing-block:-mt-(--shadow-height) has-data-writing-block:pt-(--shadow-height) [\u0026amp;:has([data-writing-block])\u0026gt;*]:pointer-events-auto scroll-mt-[calc(var(--header-height)+min(200px,max(70px,20svh)))]\" dir=\"auto\" data-turn-id=\"0d34d7d9-bf33-4509-ad9a-d811bcfd6633\" data-testid=\"conversation-turn-208\" data-scroll-anchor=\"true\" data-turn=\"assistant\" tabindex=\"-1\"\u003e\n\u003cdiv class=\"text-base my-auto mx-auto pb-10 [--thread-content-margin:--spacing(4)] @w-sm\/main:[--thread-content-margin:--spacing(6)] @w-lg\/main:[--thread-content-margin:--spacing(16)] px-(--thread-content-margin)\"\u003e\n\u003cdiv class=\"[--thread-content-max-width:40rem] @w-lg\/main:[--thread-content-max-width:48rem] mx-auto max-w-(--thread-content-max-width) flex-1 group\/turn-messages focus-visible:outline-hidden relative flex w-full min-w-0 flex-col agent-turn\" tabindex=\"-1\"\u003e\n\u003cdiv class=\"flex max-w-full flex-col grow\"\u003e\n\u003cdiv class=\"min-h-8 text-message relative flex w-full flex-col items-end gap-2 text-start break-words whitespace-normal [.text-message+\u0026amp;]:mt-1\" dir=\"auto\" data-message-author-role=\"assistant\" data-message-id=\"4048588d-a573-4147-bae7-f2ccd8409c93\" data-message-model-slug=\"gpt-5-2\"\u003e\n\u003cdiv class=\"flex w-full flex-col gap-1 empty:hidden first:pt-[1px]\"\u003e\n\u003cdiv class=\"markdown prose dark:prose-invert w-full wrap-break-word light markdown-new-styling\"\u003e\n\u003cp data-start=\"0\" data-end=\"491\"\u003eHamilton is a Swiss-made brand with American heritage, recognised for combining classic watch design with modern mechanical engineering. The Jazzmaster Open Heart Auto H32705180 belongs to the Jazzmaster collection, a series focused on refined everyday watches that balance dress elegance with visible mechanical interest. This model highlights Hamilton’s signature open-heart concept, allowing the wearer to observe the automatic movement while maintaining a clean, sophisticated aesthetic.\u003c\/p\u003e\n\u003cp data-start=\"493\" data-end=\"1054\"\u003e\u003cstrong\u003eOpen-Heart Dial \u0026amp; Refined Styling\u003c\/strong\u003e\u003cbr data-start=\"526\" data-end=\"529\"\u003eThe watch features a black sunray-brushed dial accented by the distinctive open-heart aperture that reveals part of the movement in operation. Applied hour markers and polished hands are treated with Super-LumiNova for visibility in lower light, while the balanced layout keeps the appearance elegant and uncluttered. The smoky accents and carefully proportioned openings frame the mechanism without compromising readability, giving the watch a technical yet dress-appropriate character.\u003c\/p\u003e\n\u003cp data-start=\"1056\" data-end=\"1469\"\u003e\u003cstrong\u003eSwiss Automatic Movement\u003c\/strong\u003e\u003cbr data-start=\"1080\" data-end=\"1083\"\u003eInside is the Hamilton H-10 automatic calibre, a self-winding movement engineered for reliability and extended autonomy. Operating as a three-hand mechanical movement, it delivers an impressive power reserve of approximately 80 hours and incorporates a Nivachron balance spring to improve resistance to magnetic fields and environmental influences.\u003c\/p\u003e\n\u003cp data-start=\"1471\" data-end=\"1958\"\u003e\u003cstrong\u003eCase Construction \u0026amp; Everyday Reliability\u003c\/strong\u003e\u003cbr data-start=\"1511\" data-end=\"1514\"\u003eThe stainless-steel case measures 42mm in diameter with an approximate thickness of 11.4mm, offering a substantial yet wearable wrist presence. A scratch-resistant sapphire crystal with anti-reflective coating protects the dial, and the exhibition caseback allows the movement to be viewed from the rear. Water resistance is rated to 5 bar (50 metres), suitable for everyday use such as rain or splashes.\u003c\/p\u003e\n\u003cp data-start=\"1960\" data-end=\"2321\"\u003e\u003cstrong\u003eStainless-Steel Bracelet \u0026amp; Comfort\u003c\/strong\u003e\u003cbr data-start=\"1994\" data-end=\"1997\"\u003eThis version is fitted to a stainless-steel bracelet secured by a folding clasp, providing durability and a secure fit while maintaining a polished dress-sport appearance. The bracelet complements the case finish and reinforces the watch’s versatility across formal and casual settings.\u003c\/p\u003e\n\u003cp data-start=\"2323\" data-end=\"2676\"\u003e\u003cstrong\u003eA Contemporary Mechanical Dress Watch\u003c\/strong\u003e\u003cbr data-start=\"2360\" data-end=\"2363\"\u003eThe Hamilton Jazzmaster Open Heart Auto H32705180 combines traditional styling with modern watchmaking technology. Its visible movement, long-reserve automatic calibre and balanced proportions create a versatile timepiece suited to everyday wear while still offering the visual fascination of mechanical horology.\u003c\/p\u003e\n\u003cp\u003eIf you have any questions, please \u003ca href=\"mailto:customerservices@watchnation.com\" target=\"_blank\"\u003eclick here\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003eClick here to join our \u003ca href=\"https:\/\/www.facebook.com\/watchnationofficial\" data-saferedirecturl=\"https:\/\/www.google.com\/url?q=https:\/\/www.facebook.com\/watchnationofficial\u0026amp;source=gmail\u0026amp;ust=1770946915556000\u0026amp;usg=AOvVaw2LA2sGvCmCbA_WSBWP08R_\" target=\"_blank\"\u003eFacebook\u003c\/a\u003e and \u003ca href=\"https:\/\/www.instagram.com\/watchnationshop\/?hl=en\" data-saferedirecturl=\"https:\/\/www.google.com\/url?q=https:\/\/www.instagram.com\/watchnationshop\/?hl%3Den\u0026amp;source=gmail\u0026amp;ust=1770946915556000\u0026amp;usg=AOvVaw3vtDMpMsgVgpQtiZtDYNoC\" target=\"_blank\"\u003eInstagram\u003c\/a\u003e!\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/article\u003e\n\u003c\/div\u003e","brand":"Hamilton","offers":[{"title":"Default Title","offer_id":52554352918869,"sku":"H32705180","price":1322.95,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0951\/3720\/2517\/files\/image485252825.jpg?v=1770897846","url":"https:\/\/www.watchnation.com\/en-de\/products\/hamilton-jazzmaster-open-heart-auto-black-dial-steel-strap-mens-dress-watch-h32705180","provider":"WatchNation","version":"1.0","type":"link"}