{"product_id":"jazzmaster-open-heart-auto-40mm-automatic-watch","title":"Hamilton Jazzmaster Open Heart Auto 40mm Silver","description":"\u003cp\u003eElegant, contemporary, and mechanically expressive, the Hamilton Jazzmaster Open Heart Auto showcases the art of Swiss watchmaking through its distinctive open dial design. Part of the Jazzmaster collection, it reflects Hamilton’s blend of classic sophistication and modern innovation.\u003c\/p\u003e\n\u003cp\u003eThe 40 mm stainless steel case frames a refined silver dial, where the signature open-heart display reveals the inner workings of the automatic movement beneath. Protected by a sapphire crystal with anti-reflective coating, the dial offers both clarity and depth, while the exhibition case back provides a full view of the H-10 calibre in motion.\u003c\/p\u003e\n\u003cp\u003ePowered by an automatic movement with an impressive 80-hour power reserve and equipped with a Nivachron™ balance spring, it delivers enhanced precision and resistance to magnetic fields. Water-resistant to 5 bar (50 m), it is well suited to daily wear while maintaining its elegant profile.\u003c\/p\u003e\n\u003cp\u003eWith a comfortable 20 mm lug width and balanced proportions, this watch sits effortlessly on the wrist. Ideal for those seeking a sophisticated automatic watch with visible mechanics and modern refinement, this watch embodies Hamilton’s craftsmanship, innovation, and timeless style.\u003cbr\u003e\u003c\/p\u003e","brand":"HAMILTON","offers":[{"title":"Default Title","offer_id":56763610661196,"sku":"H32675551","price":767.25,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0928\/6978\/7980\/files\/h32675551.avif?v=1771504262","url":"https:\/\/www.marketcrossjewellers.com\/products\/jazzmaster-open-heart-auto-40mm-automatic-watch","provider":"Market Cross Jewellers","version":"1.0","type":"link"}