{"product_id":"seiko-selection-hfb010j-jdm-open-heart-pink-automatic-ladies-watch-japan-made","title":"SEIKO SELECTION HFB010J JDM Open Heart Pink Automatic Ladies Watch Japan Made","description":"\u003cdiv class=\"text-base my-auto mx-auto [--thread-content-margin:var(--thread-content-margin-xs,calc(var(--spacing)*4))] @w-sm\/main:[--thread-content-margin:var(--thread-content-margin-sm,calc(var(--spacing)*6))] @w-lg\/main:[--thread-content-margin:var(--thread-content-margin-lg,calc(var(--spacing)*16))] px-(--thread-content-margin)\"\u003e\n\u003cdiv data-conversation-screenshot-content=\"\" 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\"\u003e\n\u003cdiv class=\"flex max-w-full flex-col gap-4 grow\"\u003e\n\u003cdiv data-message-author-role=\"assistant\" data-message-id=\"aba79353-58e2-4955-b961-0cb8ee5e1e7c\" dir=\"auto\" data-message-model-slug=\"gpt-5-5\" class=\"min-h-8 text-message relative flex w-full flex-col items-end gap-2 text-start break-words whitespace-normal outline-none keyboard-focused:focus-ring [.text-message+\u0026amp;]:mt-1\"\u003e\n\u003cdiv class=\"flex w-full flex-col gap-1 empty:hidden\"\u003e\n\u003cdiv class=\"markdown prose dark:prose-invert wrap-break-word w-full light markdown-new-styling\"\u003e\n\u003ch2 data-source-line=\"7-7\"\u003eDescription\u003c\/h2\u003e\n\u003cp data-source-line=\"9-9\"\u003eThe SEIKO SELECTION HFB010J is a ladies’ mechanical model from the S Series, designed to bring the appeal of Japanese automatic watchmaking into a refined and wearable everyday format. Its pink dial, clean three-hand layout, and open-heart display create a soft and elegant impression while still expressing the mechanical character of the movement beneath the dial.\u003c\/p\u003e\n\u003cp data-source-line=\"11-11\"\u003ePowered by Caliber 4R38, the watch uses a mechanical automatic movement with manual winding, offering approximately 41 hours of power reserve, 24 jewels, and a stop-seconds function. With 10 bar water resistance, Hardlex crystal, and a stainless steel bracelet, it combines practical everyday durability with the charm and tactile feel of a traditional mechanical watch.\u003c\/p\u003e\n\u003cp data-source-line=\"13-13\"\u003eDesigned for women who want more personality than a standard quartz dress watch, the HFB010J delivers balanced comfort, visual interest, and reliable daily usability. Within the SEIKO SELECTION lineup, it stands out as a Japan-made open-heart model that blends feminine styling with accessible mechanical value.\u003c\/p\u003e\n\u003ch2 data-source-line=\"15-15\"\u003eKey Specifications\u003c\/h2\u003e\n\u003cul data-source-line=\"17-33\"\u003e\n\u003cli data-source-line=\"17-17\"\u003eCase: 39.6 × 33.7 × 10.8 mm, stainless steel case\u003c\/li\u003e\n\u003cli data-source-line=\"18-18\"\u003eBand: Stainless steel bracelet, one-push three-fold clasp\u003c\/li\u003e\n\u003cli data-source-line=\"19-19\"\u003eWater resistance: 10 bar\u003c\/li\u003e\n\u003cli data-source-line=\"20-20\"\u003eMovement: Caliber 4R38, mechanical automatic with manual winding\u003c\/li\u003e\n\u003cli data-source-line=\"21-21\"\u003ePower: Automatic, approximately 41 hours power reserve\u003c\/li\u003e\n\u003cli data-source-line=\"22-22\"\u003eAccuracy: +45 to -35 seconds per day\u003c\/li\u003e\n\u003cli data-source-line=\"23-23\"\u003eDisplay: Analog, pink dial\u003c\/li\u003e\n\u003cli data-source-line=\"24-24\"\u003eFunctions: 3-hand display, open-heart display, stop-seconds function\u003c\/li\u003e\n\u003cli data-source-line=\"25-25\"\u003eSpecial features: 24 jewels\u003c\/li\u003e\n\u003cli data-source-line=\"26-26\"\u003eGlass: Hardlex\u003c\/li\u003e\n\u003cli data-source-line=\"27-27\"\u003eOrigin: Japan Domestic Market (JDM)\u003c\/li\u003e\n\u003cli data-source-line=\"28-28\"\u003eMade in Japan: Confirmed\u003c\/li\u003e\n\u003cli data-source-line=\"29-29\"\u003eWarranty: 3-year manufacturer warranty\u003c\/li\u003e\n\u003cli data-source-line=\"30-30\"\u003eModel Code: HFB010J\u003c\/li\u003e\n\u003cli data-source-line=\"31-31\"\u003eJAN: 4954628473950\u003c\/li\u003e\n\u003cli data-source-line=\"32-33\"\u003eRelease date: June 5, 2026\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 data-source-line=\"34-34\"\u003eKey Highlights\u003c\/h2\u003e\n\u003cp data-source-line=\"36-36\"\u003eThe HFB010J stands out through its elegant open-heart presentation, offering a more expressive mechanical look than a standard ladies’ three-hand watch. The pink dial softens the design while the visible balance area adds clear enthusiast appeal, making it an attractive option for buyers who want both beauty and movement character.\u003c\/p\u003e\n\u003cp data-source-line=\"38-38\"\u003eIts 4R38 automatic movement gives the watch traditional mechanical identity with hand-winding capability and practical everyday usability. Rather than positioning it as a maintenance-focused model, this watch is better understood as an accessible introduction to genuine Japanese mechanical craftsmanship.\u003c\/p\u003e\n\u003cp data-source-line=\"40-40\"\u003eOn the wrist, the balanced case proportions and stainless steel bracelet make it easy to wear in both casual and dress-oriented settings. The design feels feminine and polished without becoming overly decorative, which broadens its appeal for daily styling.\u003c\/p\u003e\n\u003cp data-source-line=\"42-42\"\u003eWithin the SEIKO SELECTION S Series, the HFB010J is a strong JDM option for buyers seeking a Japan-made ladies’ automatic watch with an open-heart dial, soft color expression, and dependable entry-level mechanical value.\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","brand":"SEIKO","offers":[{"title":"Default Title","offer_id":48640537821439,"sku":"HFB010J","price":45000.0,"currency_code":"JPY","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0720\/0561\/5871\/files\/hfb010j_1.jpg?v=1780831335","url":"https:\/\/japanheartfulstore.com\/products\/seiko-selection-hfb010j-jdm-open-heart-pink-automatic-ladies-watch-japan-made","provider":"Japan Heartful Store","version":"1.0","type":"link"}