{"product_id":"casio-g-shock-ga-2100-2a2jf-jdm-one-tone-finish-20-atm-water-resistant-analog-digital-navy-blue-mens-watch","title":"CASIO G‑SHOCK GA‑2100‑2A2JF JDM One Tone Finish 20 ATM Water Resistant Analog‑Digital Navy Blue Men's Watch","description":"\u003cp data-source-line=\"9-9\"\u003e\u003cstrong\u003eDescription\u003c\/strong\u003e: The GA‑2100‑2A2JF showcases the iconic octagonal GA‑2100 silhouette rendered entirely in coordinated one‑tone navy blue, establishing a cohesive aesthetic across case, bezel, band, and dial. This meticulously unified design delivers refined sophistication while maintaining G‑SHOCK's legendary toughness, water resistance, and proven reliability. At just 51 g with a slim 11.8 mm profile, it combines premium form with functional durability, making it an accessible entry into the GA‑2100 lineage for those seeking understated elegance and street‑ready authenticity.\u003c\/p\u003e\n\u003cp data-source-line=\"11-11\"\u003e\u003cstrong\u003eKey Specifications\u003c\/strong\u003e:\u003c\/p\u003e\n\u003cul data-source-line=\"13-29\"\u003e\n\u003cli data-source-line=\"13-13\"\u003eCase size: 48.5 mm × 45.4 mm × 11.8 mm (L × W × H)\u003c\/li\u003e\n\u003cli data-source-line=\"14-14\"\u003eWeight: ~51 g\u003c\/li\u003e\n\u003cli data-source-line=\"15-15\"\u003eCase material: Carbon core + biomass resin\u003c\/li\u003e\n\u003cli data-source-line=\"16-16\"\u003eBezel: Octagonal resin, one‑tone navy blue\u003c\/li\u003e\n\u003cli data-source-line=\"17-17\"\u003eBand: Biomass resin, one‑tone navy blue, 145–215 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 5611\u003c\/li\u003e\n\u003cli data-source-line=\"20-20\"\u003ePower source: Battery (SR726W × 2); approximately 3‑year battery life\u003c\/li\u003e\n\u003cli data-source-line=\"21-21\"\u003eAccuracy: ±30 s\/month\u003c\/li\u003e\n\u003cli data-source-line=\"22-22\"\u003eDisplay: Dual‑layer LCD, one‑tone navy dial with depth\u003c\/li\u003e\n\u003cli data-source-line=\"23-23\"\u003eFunctions: Analog‑digital display, world time (38 cities), 1\/100‑second stopwatch, countdown timer, 5 daily alarms, full‑auto calendar, 12\/24‑hour display, day\/date, seconds‑hand stop, LED backlight\u003c\/li\u003e\n\u003cli data-source-line=\"24-24\"\u003eAdditional features: Shock‑resistant structure (Carbon Core Guard), mineral glass, LED illumination\u003c\/li\u003e\n\u003cli data-source-line=\"25-25\"\u003eOrigin: Japan (JDM domestic model)\u003c\/li\u003e\n\u003cli data-source-line=\"26-26\"\u003eWarranty: 5 years (domestic)\u003c\/li\u003e\n\u003cli data-source-line=\"27-27\"\u003eJAN: 4549526370229\u003c\/li\u003e\n\u003cli data-source-line=\"28-29\"\u003eSeries: 2100 Series One Tone Collection\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-source-line=\"30-30\"\u003e\u003cstrong\u003eKey Highlights\u003c\/strong\u003e: The GA‑2100‑2A2JF epitomizes minimalist design philosophy—every detail unified in navy blue creates visual cohesion without sacrificing depth or character. The one‑tone aesthetic eliminates visual noise while maintaining sophisticated presence; the case geometry and dial layering provide dimensional interest and premium feel. At 51 g, this watch achieves exceptional lightness without compromise, making it ideal for extended wear across professional, casual, and lifestyle contexts. The octagonal silhouette remains one of G‑SHOCK's most recognizable and celebrated designs, celebrated across streetwear, fashion collaborations, and global collecting communities. Biomass resin construction reflects Casio's commitment to sustainable materials without sacrificing durability. The GA‑2100 platform is renowned for reliability, straightforward operation, and exceptional value. This one‑tone variant appeals to purists seeking design restraint, collectors building color variations, and anyone desiring a refined entry into the iconic GA‑2100 family. The 5‑year domestic warranty underscores confidence in build quality and longevity.\u003c\/p\u003e","brand":"CASIO","offers":[{"title":"Default Title","offer_id":46581421965567,"sku":"GA-2100-2A2JF","price":21300.0,"currency_code":"JPY","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0720\/0561\/5871\/files\/hit-market_ga-2100-2a2jf_i_20240822130720.jpg?v=1739365947","url":"https:\/\/japanheartfulstore.com\/products\/casio-g-shock-ga-2100-2a2jf-jdm-one-tone-finish-20-atm-water-resistant-analog-digital-navy-blue-mens-watch","provider":"Japan Heartful Store","version":"1.0","type":"link"}