{"product_id":"casio-collection-w-738h-1ajf-jdm-vibration-alarm-10-year-battery-black-digital-watch","title":"CASIO Collection W-738H-1AJF JDM Vibration Alarm 10-Year Battery Black Digital Watch","description":"\u003ch2 data-start=\"440\" data-end=\"458\" data-section-id=\"1phovsz\"\u003e\u003cspan role=\"text\"\u003e\u003cstrong data-start=\"443\" data-end=\"458\"\u003eDescription\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp data-start=\"460\" data-end=\"927\"\u003eThe CASIO Collection W-738H-1AJF introduces a practical evolution of the classic digital watch by combining a square-face design with vibration alert functionality. Designed for everyday use and active environments, the watch delivers a balanced mid-size profile that sits comfortably on the wrist while maintaining a sporty and functional appearance. Its black color scheme and clean digital layout create a modern interpretation of traditional CASIO utility design.\u003c\/p\u003e\n\u003cp data-start=\"929\" data-end=\"1363\"\u003ePowered by a long-life quartz system with an approximate 10-year battery lifespan, the W-738H-1AJF emphasizes convenience and reduced maintenance. The vibration alert system provides silent notifications for alarms, timers, and time signals, making it especially useful in work, study, or active settings. A large display and dedicated operation buttons further improve usability and readability. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"1365\" data-end=\"1672\"\u003eBuilt for users seeking simplicity with added functionality, the watch combines practical daily features with dependable durability. With 100-meter water resistance and a highly legible display, it serves as a versatile companion across work, sports, and everyday wear. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2 data-start=\"1674\" data-end=\"1699\" data-section-id=\"10od2gs\"\u003e\u003cspan role=\"text\"\u003e\u003cstrong data-start=\"1677\" data-end=\"1699\"\u003eKey Specifications\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h2\u003e\n\u003cul data-start=\"1701\" data-end=\"2386\"\u003e\n\u003cli data-start=\"1701\" data-end=\"1755\" data-section-id=\"ij2rpu\"\u003eCase: 47 × 42.8 × 13.5 mm, 43g, resin construction\u003c\/li\u003e\n\u003cli data-start=\"1756\" data-end=\"1786\" data-section-id=\"17rtp25\"\u003eBezel: Resin, black finish\u003c\/li\u003e\n\u003cli data-start=\"1787\" data-end=\"1827\" data-section-id=\"1kven5t\"\u003eBand: Black resin band, buckle clasp\u003c\/li\u003e\n\u003cli data-start=\"1828\" data-end=\"1863\" data-section-id=\"fyqs00\"\u003eWater resistance: 100m (10 ATM)\u003c\/li\u003e\n\u003cli data-start=\"1864\" data-end=\"1901\" data-section-id=\"19ke8uv\"\u003eMovement: Quartz, battery powered\u003c\/li\u003e\n\u003cli data-start=\"1902\" data-end=\"1959\" data-section-id=\"z2ujls\"\u003eBattery\/Power: Approx. 10 years battery life (CR2032)\u003c\/li\u003e\n\u003cli data-start=\"1960\" data-end=\"1987\" data-section-id=\"5ezbcn\"\u003eAccuracy: ±30 sec\/month\u003c\/li\u003e\n\u003cli data-start=\"1988\" data-end=\"2033\" data-section-id=\"1gtq25s\"\u003eDisplay: Digital LCD, black\/silver layout\u003c\/li\u003e\n\u003cli data-start=\"2034\" data-end=\"2128\" data-section-id=\"xb6j2v\"\u003eFunctions: Dual time, stopwatch, countdown timer, alarm, hourly signal, full auto calendar\u003c\/li\u003e\n\u003cli data-start=\"2129\" data-end=\"2185\" data-section-id=\"1f23wug\"\u003eSpecial features: Vibration Alert, Long-Life Battery\u003c\/li\u003e\n\u003cli data-start=\"2186\" data-end=\"2232\" data-section-id=\"1iboqvo\"\u003eIllumination: LED backlight with afterglow\u003c\/li\u003e\n\u003cli data-start=\"2233\" data-end=\"2255\" data-section-id=\"xka035\"\u003eGlass: Resin glass\u003c\/li\u003e\n\u003cli data-start=\"2256\" data-end=\"2295\" data-section-id=\"1e7fafu\"\u003eOrigin: Japan Domestic Market (JDM)\u003c\/li\u003e\n\u003cli data-start=\"2296\" data-end=\"2323\" data-section-id=\"160w4y7\"\u003eModel Code: W-738H-1AJF\u003c\/li\u003e\n\u003cli data-start=\"2324\" data-end=\"2386\" data-section-id=\"1oat3sx\"\u003eRelease date: May 2026 \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 data-start=\"2388\" data-end=\"2409\" data-section-id=\"1qkotip\"\u003e\u003cspan role=\"text\"\u003e\u003cstrong data-start=\"2391\" data-end=\"2409\"\u003eKey Highlights\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp data-start=\"2411\" data-end=\"2631\"\u003eThe W-738H-1AJF stands out by introducing vibration functionality into a practical square digital platform. Compared with standard entry-level digital watches, it offers silent notifications that improve daily usability.\u003c\/p\u003e\n\u003cp data-start=\"2633\" data-end=\"2866\"\u003eIts approximate 10-year battery life significantly reduces maintenance requirements, while the Vibration Alarm feature adds convenience for users working in quiet environments or active settings. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"2868\" data-end=\"3086\"\u003eOn the wrist, the mid-size construction and lightweight design provide comfortable wear throughout the day. Combined with its black styling and easy-to-read display, the watch balances utility and everyday versatility.\u003c\/p\u003e\n\u003cp data-start=\"3088\" data-end=\"3219\"\u003eWithin the CASIO Collection lineup, the W-738H-1AJF delivers a strong combination of practicality, durability, and long-term value.\u003c\/p\u003e","brand":"CASIO","offers":[{"title":"Default Title","offer_id":48553478521087,"sku":"W-738H-1AJF","price":11500.0,"currency_code":"JPY","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0720\/0561\/5871\/files\/neel4_w-738h-1ajf_1_d_20260428204052.jpg?v=1779277630","url":"https:\/\/japanheartfulstore.com\/products\/casio-collection-w-738h-1ajf-jdm-vibration-alarm-10-year-battery-black-digital-watch","provider":"Japan Heartful Store","version":"1.0","type":"link"}