{"product_id":"casio-g-shock-ga-2100sb-1ajf-jdm-carbon-core-guard-black-analog-digital-mens-watch","title":"CASIO G-SHOCK GA-2100SB-1AJF JDM Carbon Core Guard Black Analog Digital Men's Watch","description":"\u003cp data-start=\"295\" data-end=\"803\"\u003e\u003cstrong data-start=\"295\" data-end=\"310\"\u003eDescription\u003c\/strong\u003e:\u003cbr data-start=\"311\" data-end=\"314\"\u003eThe GA-2100SB-1AJF refines the iconic octagonal “CasiOak” platform through a stealth-inspired blacked-out design, emphasizing tonal depth and subtle contrast rather than overt color separation. Its dial adopts a smoke-tinted aesthetic that reduces visual noise while preserving the geometric clarity of the original DW-5000 lineage. The slim case profile, enabled by the Carbon Core Guard structure, enhances wearability without compromising the structural toughness expected from G-SHOCK.\u003c\/p\u003e\n\u003cp data-start=\"805\" data-end=\"1295\"\u003eFunctionally, the analog-digital configuration balances intuitive readability with practical utility, offering essential features such as world time and multi-function alarms. The lightweight construction ensures long-term comfort, while the subdued visual identity makes it adaptable across both casual and professional environments. Positioned within the GA-2100 series, this model appeals to users seeking a refined, monochromatic interpretation of a globally recognized design platform.\u003c\/p\u003e\n\u003chr data-start=\"1297\" data-end=\"1300\"\u003e\n\u003cp data-start=\"1302\" data-end=\"1325\"\u003e\u003cstrong data-start=\"1302\" data-end=\"1324\"\u003eKey Specifications\u003c\/strong\u003e:\u003c\/p\u003e\n\u003cul data-start=\"1326\" data-end=\"2127\"\u003e\n\u003cli data-start=\"1326\" data-end=\"1403\"\u003eCase: 48.5 × 45.4 × 11.8 mm, approx. 51 g; carbon core guard + resin case\u003c\/li\u003e\n\u003cli data-start=\"1404\" data-end=\"1459\"\u003eBezel: Resin bezel, matte black (smoke-tone finish)\u003c\/li\u003e\n\u003cli data-start=\"1460\" data-end=\"1499\"\u003eBand: Resin band, black, pin buckle\u003c\/li\u003e\n\u003cli data-start=\"1500\" data-end=\"1536\"\u003eWater resistance: 200 m (20 ATM)\u003c\/li\u003e\n\u003cli data-start=\"1537\" data-end=\"1569\"\u003eMovement: Quartz module 5611\u003c\/li\u003e\n\u003cli data-start=\"1570\" data-end=\"1616\"\u003eBattery\/Power: Approx. 3 years (SR726W ×2)\u003c\/li\u003e\n\u003cli data-start=\"1617\" data-end=\"1648\"\u003eAccuracy: ±15 seconds\/month\u003c\/li\u003e\n\u003cli data-start=\"1649\" data-end=\"1703\"\u003eDisplay: Analog-digital, negative LCD (smoke tone)\u003c\/li\u003e\n\u003cli data-start=\"1704\" data-end=\"1829\"\u003eFunctions: World time (31 time zones), 1\/100-sec stopwatch, countdown timer, 5 daily alarms, full auto calendar (to 2099)\u003c\/li\u003e\n\u003cli data-start=\"1830\" data-end=\"1897\"\u003eSpecial features: Shock resistance, Carbon Core Guard structure\u003c\/li\u003e\n\u003cli data-start=\"1898\" data-end=\"1973\"\u003eIllumination: Double LED light (Super Illuminator, selectable duration)\u003c\/li\u003e\n\u003cli data-start=\"1974\" data-end=\"2003\"\u003eAdditional: Mineral glass\u003c\/li\u003e\n\u003cli data-start=\"2004\" data-end=\"2027\"\u003eOrigin: Japan (JDM)\u003c\/li\u003e\n\u003cli data-start=\"2028\" data-end=\"2070\"\u003eWarranty: 1 year manufacturer warranty\u003c\/li\u003e\n\u003cli data-start=\"2071\" data-end=\"2104\"\u003eJAN\/Model Code: 4549526305948\u003c\/li\u003e\n\u003cli data-start=\"2105\" data-end=\"2127\"\u003eRelease date: 2021\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"2129\" data-end=\"2132\"\u003e\n\u003cp data-start=\"2134\" data-end=\"2459\"\u003e\u003cstrong data-start=\"2134\" data-end=\"2152\"\u003eKey Highlights\u003c\/strong\u003e:\u003cbr data-start=\"2153\" data-end=\"2156\"\u003eThe GA-2100SB-1AJF delivers a refined interpretation of the CasiOak design through its smoke-dial execution, creating depth and subtlety within an otherwise monochromatic black profile. This approach enhances visual sophistication while maintaining the iconic octagonal geometry that defines the series.\u003c\/p\u003e\n\u003cp data-start=\"2461\" data-end=\"2730\"\u003eIts Carbon Core Guard structure ensures a balance between lightweight comfort and structural durability, making it suitable for extended daily wear. The reduced thickness compared to traditional G-SHOCK models further improves ergonomics without sacrificing resilience.\u003c\/p\u003e\n\u003cp data-start=\"2732\" data-end=\"2974\"\u003eFrom a functional perspective, the analog-digital layout provides versatile usability, combining quick time recognition with advanced features such as world time and alarms. This makes it a reliable companion for both everyday use and travel.\u003c\/p\u003e\n\u003cp data-start=\"2976\" data-end=\"3184\"\u003eWithin the GA-2100 lineup, the SB variant stands out for its understated aesthetic, appealing to users who prioritize minimalism, tonal design, and a more mature interpretation of the modern G-SHOCK identity.\u003c\/p\u003e","brand":"CASIO","offers":[{"title":"Default Title","offer_id":47611514323199,"sku":"614876","price":20500.0,"currency_code":"JPY","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0720\/0561\/5871\/files\/udetokei-watch_614876_i_20230801084308.jpg?v=1764514356","url":"https:\/\/japanheartfulstore.com\/products\/casio-g-shock-ga-2100sb-1ajf-jdm-carbon-core-guard-black-analog-digital-mens-watch","provider":"Japan Heartful Store","version":"1.0","type":"link"}