{"product_id":"casio-g-shock-ga-b2100-2ajf-jdm-tough-solar-mobile-link-analog-digital-octagonal-navy-black-mens-watch","title":"CASIO G-SHOCK GA-B2100-2AJF JDM Tough Solar Mobile Link Analog-Digital Octagonal Navy Black Men's Watch","description":"\u003cp data-source-line=\"11-11\"\u003e\u003cstrong\u003eDescription\u003c\/strong\u003e: The G-SHOCK 2100 series returns in sophisticated navy-and-black styling, combining heritage octagonal design with next-generation smart connectivity. The GA-B2100-2AJF fuses the original DW-5600 aesthetic with Tough Solar eco-charging, Bluetooth Smartphone Link functionality, and Carbon Core Guard shock-resistant engineering. At just 52 grams with 11.9 mm ultra-slim profile, this JDM domestic model delivers premium functionality in an exceptionally wearable package, perfect for professionals and collectors who value both timeless design and cutting-edge smart features.\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=\"14-32\"\u003e\n\u003cli data-source-line=\"14-14\"\u003e\n\u003cstrong\u003eCase size\u003c\/strong\u003e: 48.5 mm × 45.4 mm × 11.9 mm (W × D × H)\u003c\/li\u003e\n\u003cli data-source-line=\"15-15\"\u003e\n\u003cstrong\u003eWeight\u003c\/strong\u003e: ~52 g\u003c\/li\u003e\n\u003cli data-source-line=\"16-16\"\u003e\n\u003cstrong\u003eCase material\u003c\/strong\u003e: Carbon-core resin with Carbon Core Guard shock-resistant structure\u003c\/li\u003e\n\u003cli data-source-line=\"17-17\"\u003e\n\u003cstrong\u003eBand\u003c\/strong\u003e: Navy-blue resin, adjustable 145–215 mm with three-fold clasp\u003c\/li\u003e\n\u003cli data-source-line=\"18-18\"\u003e\n\u003cstrong\u003eWater resistance\u003c\/strong\u003e: 200 m (20 ATM)\u003c\/li\u003e\n\u003cli data-source-line=\"19-19\"\u003e\n\u003cstrong\u003eMovement\u003c\/strong\u003e: Quartz solar calibre 5689\u003c\/li\u003e\n\u003cli data-source-line=\"20-20\"\u003e\n\u003cstrong\u003ePower source\u003c\/strong\u003e: Tough Solar (eco-friendly solar charging system)\u003c\/li\u003e\n\u003cli data-source-line=\"21-21\"\u003e\n\u003cstrong\u003eBattery life\u003c\/strong\u003e: Approximately 9 months on full charge; perpetual in power-save mode\u003c\/li\u003e\n\u003cli data-source-line=\"22-22\"\u003e\n\u003cstrong\u003eAccuracy\u003c\/strong\u003e: ±30 seconds per month (solar quartz)\u003c\/li\u003e\n\u003cli data-source-line=\"23-23\"\u003e\n\u003cstrong\u003eFunctions\u003c\/strong\u003e: Analog-digital display, world time (38 cities), 1\/100-second stopwatch, countdown timer, 5 daily alarms, date display, seconds-hand stop, power reserve indicator, hand-shift feature\u003c\/li\u003e\n\u003cli data-source-line=\"24-24\"\u003e\n\u003cstrong\u003eDisplay\u003c\/strong\u003e: Dual-layer LCD with enhanced texture, navy-and-black dial with white numerals and accent detail\u003c\/li\u003e\n\u003cli data-source-line=\"25-25\"\u003e\n\u003cstrong\u003eCrystal\u003c\/strong\u003e: Mineral glass\u003c\/li\u003e\n\u003cli data-source-line=\"26-26\"\u003e\n\u003cstrong\u003eBluetooth\u003c\/strong\u003e: Smartphone Link (Mobile Link) via CASIO Watches app—automatic 4x daily time adjustment, phone finder, reminder setting (5 events), time \u0026amp; place log\u003c\/li\u003e\n\u003cli data-source-line=\"27-27\"\u003e\n\u003cstrong\u003eBacklight\u003c\/strong\u003e: Super Illuminator (high-brightness double LED)\u003c\/li\u003e\n\u003cli data-source-line=\"28-28\"\u003e\n\u003cstrong\u003eOrigin\u003c\/strong\u003e: Japan (JDM Genuine – Domestic Model)\u003c\/li\u003e\n\u003cli data-source-line=\"29-29\"\u003e\n\u003cstrong\u003eWarranty\u003c\/strong\u003e: 1-year manufacturer's warranty\u003c\/li\u003e\n\u003cli data-source-line=\"30-30\"\u003e\n\u003cstrong\u003eJAN Code\u003c\/strong\u003e: 4549526322945\u003c\/li\u003e\n\u003cli data-source-line=\"31-32\"\u003e\n\u003cstrong\u003ePrice range\u003c\/strong\u003e: ¥17,200–¥22,000\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-source-line=\"33-33\"\u003e\u003cstrong\u003eKey Highlights\u003c\/strong\u003e: The navy-and-black color scheme delivers exceptional versatility, transitioning seamlessly from professional boardroom to casual weekend settings. This GA-B2100-2AJF variant maintains the industry-leading slim 52-gram weight and 11.9 mm profile that made the GA-B2100 series iconic, ensuring comfortable all-day wear without wrist fatigue. Tough Solar technology eliminates battery anxiety, while Bluetooth Smartphone Link provides automatic time synchronization up to four times daily—essential for professionals requiring precision timekeeping across global time zones. The Carbon Core Guard shock-resistant structure provides legendary G-SHOCK durability, tested to withstand extreme conditions from industrial environments to outdoor adventures. Dual-layer dial construction with enhanced surface treatment provides professional aesthetic and improved readability. Super Illuminator dual LED backlighting guarantees visibility in complete darkness. 200-meter water resistance suits swimming, snorkeling, and water-sport activities. Customer feedback consistently highlights exceptional lightweight comfort, refined navy-and-black design aesthetic, outstanding durability, and exceptional value-for-money proposition. Ideal as a professional gift, everyday business accessory, or reliable sports companion. The combination of iconic G-SHOCK heritage, eco-friendly solar power, smart Bluetooth connectivity, and premium Carbon Core construction positions this navy model as an outstanding investment in both style and enduring functionality.\u003c\/p\u003e","brand":"CASIO","offers":[{"title":"Default Title","offer_id":47611362214143,"sku":"614555","price":26200.0,"currency_code":"JPY","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0720\/0561\/5871\/files\/udetokei-watch_614555.jpg?v=1764513399","url":"https:\/\/japanheartfulstore.com\/products\/casio-g-shock-ga-b2100-2ajf-jdm-tough-solar-mobile-link-analog-digital-octagonal-navy-black-mens-watch","provider":"Japan Heartful Store","version":"1.0","type":"link"}