{"product_id":"casio-g-shock-gw-6900-1jf-jdm-radio-controlled-solar-multi-band-6-6900-series-digital-black-mens-watch","title":"CASIO G-SHOCK GW-6900-1JF JDM Radio-Controlled Solar Multi-Band 6 6900 Series Digital Black Men's Watch","description":"\u003cp data-source-line=\"11-11\"\u003e\u003cstrong\u003eDescription\u003c\/strong\u003e: An iconic classic reimagined with contemporary precision, the GW-6900-1JF elevates the legendary DW-6900 heritage with Multi-Band 6 radio-controlled timekeeping and Tough Solar charging. This timeless round-case digital watch merges street-style appeal with professional reliability, delivering automatic worldwide time synchronization and maintenance-free eco-charging. At 63 g with refined proportions (53.2 mm × 50.0 mm × 17.7 mm), it offers versatile everyday wearability for professionals, students, and enthusiasts alike. The proven DW-6900 design has influenced countless collaborations across streetwear, fashion, and lifestyle—now enhanced with atomic accuracy and solar autonomy for the modern era.\u003c\/p\u003e\n\u003cp data-source-line=\"13-13\"\u003e\u003cstrong\u003eKey Specifications\u003c\/strong\u003e:\u003c\/p\u003e\n\u003cul data-source-line=\"14-30\"\u003e\n\u003cli data-source-line=\"14-14\"\u003eCase size: 53.2 mm × 50.0 mm × 17.7 mm (H × W × D)\u003c\/li\u003e\n\u003cli data-source-line=\"15-15\"\u003eWeight: ~63 g\u003c\/li\u003e\n\u003cli data-source-line=\"16-16\"\u003eCase material: Resin\u003c\/li\u003e\n\u003cli data-source-line=\"17-17\"\u003eBand: Black resin, 145–205 mm, adjustable\u003c\/li\u003e\n\u003cli data-source-line=\"18-18\"\u003eWater resistance: 200 m (20 ATM)\u003c\/li\u003e\n\u003cli data-source-line=\"19-19\"\u003eMovement: Quartz calibre 3179 (Tough Solar, Multi-Band 6)\u003c\/li\u003e\n\u003cli data-source-line=\"20-20\"\u003ePower source: Tough Solar; battery life approximately 2 years\u003c\/li\u003e\n\u003cli data-source-line=\"21-21\"\u003eAccuracy: ±15 s\/month (radio reception); ±30 s\/month (battery mode)\u003c\/li\u003e\n\u003cli data-source-line=\"22-22\"\u003eRadio reception: Multi-Band 6 (Japan ×2, China, USA, Europe, UK) with auto\/manual modes\u003c\/li\u003e\n\u003cli data-source-line=\"23-23\"\u003eDisplay: Digital LCD, white character on black background\u003c\/li\u003e\n\u003cli data-source-line=\"24-24\"\u003eFunctions: Digital timekeeping, world time (31 time zones + 48 cities + UTC), 1\/100-second stopwatch, countdown timer, multiple alarms, full-auto calendar, 12\/24-hour display, day and date display, alarm on\/off, hourly signal\u003c\/li\u003e\n\u003cli data-source-line=\"25-25\"\u003eAdditional features: Shock-resistant structure (shock resist), mineral glass crystal, LED backlight, vibration alarm function\u003c\/li\u003e\n\u003cli data-source-line=\"26-26\"\u003eOrigin: Japan (JDM domestic model)\u003c\/li\u003e\n\u003cli data-source-line=\"27-27\"\u003eWarranty: 1 year\u003c\/li\u003e\n\u003cli data-source-line=\"28-28\"\u003eJAN: 4971850430919\u003c\/li\u003e\n\u003cli data-source-line=\"29-30\"\u003eSeries: 6900 Series (Iconic Round-Case Digital Collection)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-source-line=\"31-31\"\u003e\u003cstrong\u003eKey Highlights\u003c\/strong\u003e: The GW-6900-1JF honors three decades of the DW-6900 legacy—a design adopted by countless collaborators from fashion brands to lifestyle labels—now equipped with Multi-Band 6 atomic precision and Tough Solar autonomy. At 63 g, it achieves lightweight comfort without sacrificing presence; the refined 53.2 mm case suits diverse wrist sizes from youth to adult. Tough Solar eliminates battery replacement hassles; Multi-Band 6 ensures accurate timekeeping across six global radio stations without manual adjustment. The minimalist round-case aesthetic appeals equally to casual users, professionals, collectors, and streetwear enthusiasts. Customers praise the reliable performance, maintenance-free operation, compact comfortable fit, simple-yet-functional design, and proven durability across years of daily use. The DW-6900's legendary street-culture heritage combined with modern atomic and solar precision makes this an accessible entry point for G-SHOCK newcomers and a trusted companion for longtime devotees seeking practical, affordable excellence.\u003c\/p\u003e","brand":"CASIO","offers":[{"title":"Default Title","offer_id":46581420982527,"sku":"1122336","price":25400.0,"currency_code":"JPY","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0720\/0561\/5871\/files\/hit-market_01122336.jpg?v=1739365924","url":"https:\/\/japanheartfulstore.com\/products\/casio-g-shock-gw-6900-1jf-jdm-radio-controlled-solar-multi-band-6-6900-series-digital-black-mens-watch","provider":"Japan Heartful Store","version":"1.0","type":"link"}