{"product_id":"citizen-collection-mechanical-open-heart-watch","title":"CITIZEN COLLECTION MECHANICAL OPEN HEART WATCH","description":"\u003cdiv class=\"tokyo-hours-preorder-shipping\" style=\"margin: 0 0 1.5rem; padding: 1rem 1.1rem; border: 2px solid #111111; border-radius: 12px; background: #fff3c4; color: #111111; font-size: 1.05rem; font-weight: 700; line-height: 1.45;\"\u003e\n\u003cstrong style=\"display: block; margin-bottom: 0.3rem; font-size: 1.2rem;\"\u003eEXPECTED SHIPPING\u003c\/strong\u003eExpected to begin shipping from August 6, 2026.\u003c\/div\u003e\u003cp\u003eCitizen's 2026 Collection Mechanical Open Heart lineup combines an exposed balance wheel with a modern 41 mm steel case and a display caseback.\u003c\/p\u003e\u003cp\u003eThe open-heart aperture at 7 o'clock reveals the movement in motion. Mirror-polished bezel cuts, beveled bracelet links, and sharply finished indices create contrast across the silver, black, blue, and two-tone variants.\u003c\/p\u003e\u003cp\u003eCaliber 8229 provides automatic and manual winding, stop-seconds setting, and approximately 42 hours of running time in a practical Made in Japan package.\u003c\/p\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMovement:\u003c\/strong\u003e Citizen Caliber 8229 automatic with manual winding\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAccuracy:\u003c\/strong\u003e -20 to +40 seconds per day\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePower reserve:\u003c\/strong\u003e Approximately 42 hours\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eJewels:\u003c\/strong\u003e 21\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCase size:\u003c\/strong\u003e 41 mm diameter, 11.7 mm thick\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCase and band:\u003c\/strong\u003e Stainless steel\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCrystal:\u003c\/strong\u003e Crystal glass\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWater resistance:\u003c\/strong\u003e 10 bar\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFeatures:\u003c\/strong\u003e Open heart, display caseback, luminous hands and markers\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCountry of manufacture:\u003c\/strong\u003e Japan\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003ePlease Note\u003c\/h3\u003e\u003cp\u003eColors and finishing can appear different under varying light. Manufacturer release and dispatch timing may change.\u003c\/p\u003e","brand":"Citizen","offers":[{"title":"NH9150-52A Silver","offer_id":49882427818226,"sku":"NH9150-52A","price":43600.0,"currency_code":"JPY","in_stock":true},{"title":"NH9150-52E Black","offer_id":49882427850994,"sku":"NH9150-52E","price":43600.0,"currency_code":"JPY","in_stock":true},{"title":"NH9150-52L Blue","offer_id":49882427883762,"sku":"NH9150-52L","price":43600.0,"currency_code":"JPY","in_stock":true},{"title":"NH9154-51A Silver and Gold","offer_id":49882427916530,"sku":"NH9154-51A","price":51400.0,"currency_code":"JPY","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0844\/9173\/1186\/files\/new-watch-05-1.png?v=1785929385","url":"https:\/\/tokyohours.com\/products\/citizen-collection-mechanical-open-heart-watch","provider":"Tokyo Hours","version":"1.0","type":"link"}