{"product_id":"casio-g-shock-gmd-b300-2jf-jdm-bluetooth-step-tracker-navy-digital-unisex-watch-japan-made","title":"CASIO G-SHOCK GMD-B300-2JF JDM Bluetooth Step Tracker Navy Digital Unisex Watch Japan Made","description":"\u003ch2 data-section-id=\"1phovsz\" data-start=\"450\" data-end=\"468\"\u003e\u003cspan role=\"text\"\u003e\u003cstrong data-start=\"453\" data-end=\"468\"\u003eDescription\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp data-start=\"470\" data-end=\"936\"\u003eThe CASIO G-SHOCK GMD-B300-2JF represents a modern approach to compact G-SHOCK design, combining everyday wearability with activity-focused functionality. Finished in a deep navy monochromatic color scheme, the watch delivers a versatile appearance that pairs naturally with sportswear and casual fashion. Its slim mid-size profile enhances comfort while preserving the durability and toughness that define the G-SHOCK identity. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"938\" data-end=\"1471\"\u003ePowered by Bluetooth smartphone connectivity and an integrated step tracker, the watch supports active daily use through automatic activity monitoring and app-linked functionality. Step counts, life-log management, and automatic time synchronization are supported through the CASIO WATCHES app, improving convenience while maintaining the simplicity of a dedicated digital timepiece. The battery-powered design delivers approximately two years of operation with minimal maintenance requirements. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"1473\" data-end=\"1796\"\u003eDesigned for users seeking a lightweight and compact G-SHOCK experience, the GMD-B300-2JF improves fit and wearability for a wider range of wrist sizes. Bio-based resin materials also support a more environmentally conscious design approach while retaining signature G-SHOCK toughness. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003chr data-start=\"1798\" data-end=\"1801\"\u003e\n\u003ch2 data-section-id=\"10od2gs\" data-start=\"1803\" data-end=\"1828\"\u003e\u003cspan role=\"text\"\u003e\u003cstrong data-start=\"1806\" data-end=\"1828\"\u003eKey Specifications\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h2\u003e\n\u003cul data-start=\"1830\" data-end=\"2687\"\u003e\n\u003cli data-section-id=\"1odxnsq\" data-start=\"1830\" data-end=\"1904\"\u003eCase: 46.4 × 43.8 × 12.0 mm, 41g, resin \/ bio-based resin construction\u003c\/li\u003e\n\u003cli data-section-id=\"1851bw1\" data-start=\"1905\" data-end=\"1939\"\u003eBezel: Resin \/ bio-based resin\u003c\/li\u003e\n\u003cli data-section-id=\"140fz1a\" data-start=\"1940\" data-end=\"1989\"\u003eBand: Navy bio-based resin band, buckle clasp\u003c\/li\u003e\n\u003cli data-section-id=\"123nscg\" data-start=\"1990\" data-end=\"2025\"\u003eWater resistance: 20 ATM (200m)\u003c\/li\u003e\n\u003cli data-section-id=\"1x29ib\" data-start=\"2026\" data-end=\"2090\"\u003eMovement: Quartz, battery powered with Bluetooth Mobile Link\u003c\/li\u003e\n\u003cli data-section-id=\"1op8dx\" data-start=\"2091\" data-end=\"2147\"\u003eBattery\/Power: Approx. 2 years battery life (CR2016)\u003c\/li\u003e\n\u003cli data-section-id=\"wps8m5\" data-start=\"2148\" data-end=\"2197\"\u003eAccuracy: ±15 sec\/month (without mobile link)\u003c\/li\u003e\n\u003cli data-section-id=\"176gulh\" data-start=\"2198\" data-end=\"2237\"\u003eDisplay: Digital, dark-tone display\u003c\/li\u003e\n\u003cli data-section-id=\"rv5m8j\" data-start=\"2238\" data-end=\"2324\"\u003eFunctions: Step tracker, world time, stopwatch, timer, alarms, calendar, dual time\u003c\/li\u003e\n\u003cli data-section-id=\"oj8wse\" data-start=\"2325\" data-end=\"2419\"\u003eSpecial features: Shock Resistance, Bluetooth Mobile Link, Step Counter, Life Log transfer\u003c\/li\u003e\n\u003cli data-section-id=\"1cpb7gi\" data-start=\"2420\" data-end=\"2494\"\u003eIllumination: LED Super Illuminator with selectable afterglow duration\u003c\/li\u003e\n\u003cli data-section-id=\"e6zqrj\" data-start=\"2495\" data-end=\"2566\"\u003eAdditional: Mineral glass, low battery alert, power saving function\u003c\/li\u003e\n\u003cli data-section-id=\"1e7fafu\" data-start=\"2567\" data-end=\"2606\"\u003eOrigin: Japan Domestic Market (JDM)\u003c\/li\u003e\n\u003cli data-section-id=\"a30b7c\" data-start=\"2607\" data-end=\"2627\"\u003eWarranty: 1 year\u003c\/li\u003e\n\u003cli data-section-id=\"1tfx2xn\" data-start=\"2628\" data-end=\"2660\"\u003eJAN\/Model Code: GMD-B300-2JF\u003c\/li\u003e\n\u003cli data-section-id=\"9gvo58\" data-start=\"2661\" data-end=\"2687\"\u003eRelease date: May 2026\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"2689\" data-end=\"2726\"\u003e \u003c\/p\u003e\n\u003chr data-start=\"2728\" data-end=\"2731\"\u003e\n\u003ch2 data-section-id=\"1qkotip\" data-start=\"2733\" data-end=\"2754\"\u003e\u003cspan role=\"text\"\u003e\u003cstrong data-start=\"2736\" data-end=\"2754\"\u003eKey Highlights\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp data-start=\"2756\" data-end=\"2989\"\u003eThe GMD-B300-2JF introduces a more lifestyle-oriented interpretation of the G-SHOCK formula. Rather than oversized tactical styling, it focuses on compact dimensions and a clean navy design suitable for daily use and active routines.\u003c\/p\u003e\n\u003cp data-start=\"2991\" data-end=\"3239\"\u003eIts Bluetooth synchronized functionality and integrated step tracker add practical value beyond standard digital watches. Automatic time correction and app connectivity help simplify everyday activity tracking with minimal maintenance requirements.\u003c\/p\u003e\n\u003cp data-start=\"3241\" data-end=\"3500\"\u003eOn the wrist, the lightweight construction and slim profile significantly improve comfort, especially for users seeking a smaller or more versatile G-SHOCK fit. The navy color scheme offers understated styling that works across sports and casual environments.\u003c\/p\u003e\n\u003cp data-start=\"3502\" data-end=\"3698\"\u003eWithin the compact G-SHOCK lineup, the GMD-B300-2JF stands out as a connected digital model combining durability, comfort, and activity-focused functionality. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e","brand":"CASIO","offers":[{"title":"Default Title","offer_id":48545135755519,"sku":"GMD-B300-2JF","price":22200.0,"currency_code":"JPY","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0720\/0561\/5871\/files\/gmd-b300-2jf_1.jpg?v=1779106036","url":"https:\/\/japanheartfulstore.com\/products\/casio-g-shock-gmd-b300-2jf-jdm-bluetooth-step-tracker-navy-digital-unisex-watch-japan-made","provider":"Japan Heartful Store","version":"1.0","type":"link"}