{"product_id":"casio-g-shock-mt-g-mtg-b4000bd-1ajf-jdm-black-ip-full-metal-bluetooth-solar-mens-watch","title":"CASIO G-SHOCK MT-G MTG-B4000BD-1AJF JDM Black IP Full Metal Bluetooth Solar Men's Watch","description":"\u003ch2 data-section-id=\"1phovsz\" data-start=\"650\" data-end=\"668\"\u003e\u003cspan role=\"text\"\u003e\u003cstrong data-start=\"653\" data-end=\"668\"\u003eDescription\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp data-start=\"670\" data-end=\"1158\"\u003eThe CASIO G-SHOCK MT-G MTG-B4000BD-1AJF represents a new evolution in structural toughness by combining advanced engineering with refined exterior design. Developed through a collaborative AI-assisted design process, the model introduces a newly engineered Dual Core Guard structure integrating carbon and metal materials into an innovative multi-material frame. The stealth-inspired Black IP finish further enhances its bold and futuristic presence. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"1160\" data-end=\"1562\"\u003ePowered by Tough Solar technology with Bluetooth smartphone connectivity and Multi Band 6 Radio Controlled timekeeping, the watch delivers highly reliable precision with minimal maintenance. The Layer Composite Band combines metal durability with lightweight comfort, while TRIPLE G RESIST technology reinforces impact, centrifugal force, and vibration resistance. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"1564\" data-end=\"1878\"\u003eDesigned for users seeking premium construction with next-generation G-SHOCK engineering, the MTG-B4000BD-1AJF offers a substantial wrist presence while maintaining excellent wearability. It stands as one of the most technically ambitious additions within the MT-G collection. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2 data-section-id=\"10od2gs\" data-start=\"1880\" data-end=\"1905\"\u003e\u003cspan role=\"text\"\u003e\u003cstrong data-start=\"1883\" data-end=\"1905\"\u003eKey Specifications\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h2\u003e\n\u003cul data-start=\"1907\" data-end=\"3071\"\u003e\n\u003cli data-section-id=\"c65yyi\" data-start=\"1907\" data-end=\"2034\"\u003eCase: 56.6 × 45.3 × 14.4 mm, 178g, carbon fiber reinforced resin \/ metal construction \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1eum8x3\" data-start=\"2035\" data-end=\"2147\"\u003eBezel: Stainless steel with Black IP finish and carbon frame structure \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"xcoffx\" data-start=\"2148\" data-end=\"2243\"\u003eBand: Layer Composite Band, One-push three-fold clasp \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"9q0rst\" data-start=\"2244\" data-end=\"2317\"\u003eWater resistance: 20 ATM (200m) \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"i0nvth\" data-start=\"2318\" data-end=\"2425\"\u003eMovement: Tough Solar + Bluetooth + Multi Band 6 Radio Controlled \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"18uuvam\" data-start=\"2426\" data-end=\"2470\"\u003eBattery\/Power: Solar rechargeable system\u003c\/li\u003e\n\u003cli data-section-id=\"1r0azmq\" data-start=\"2471\" data-end=\"2490\"\u003eDisplay: Analog\u003c\/li\u003e\n\u003cli data-section-id=\"ciu8qm\" data-start=\"2491\" data-end=\"2619\"\u003eFunctions: World Time, Stopwatch, Timer, Alarm, Mobile Link, Automatic Time Correction \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"14iozmv\" data-start=\"2620\" data-end=\"2756\"\u003eSpecial features: TRIPLE G RESIST, Carbon Core Guard, Bluetooth Mobile Link, Dual Core Guard \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"qyjg7q\" data-start=\"2757\" data-end=\"2836\"\u003eIllumination: Super Illuminator LED \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"xhrhoy\" data-start=\"2837\" data-end=\"2933\"\u003eGlass: Sapphire crystal with anti-reflective coating \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli data-section-id=\"1e7fafu\" data-start=\"2934\" data-end=\"2973\"\u003eOrigin: Japan Domestic Market (JDM)\u003c\/li\u003e\n\u003cli data-section-id=\"1qhpjg2\" data-start=\"2974\" data-end=\"3006\"\u003eModel Code: MTG-B4000BD-1AJF\u003c\/li\u003e\n\u003cli data-section-id=\"pcujr5\" data-start=\"3007\" data-end=\"3071\"\u003eRelease date: May 2026 \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 data-section-id=\"1qkotip\" data-start=\"3073\" data-end=\"3094\"\u003e\u003cspan role=\"text\"\u003e\u003cstrong data-start=\"3076\" data-end=\"3094\"\u003eKey Highlights\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h2\u003e\n\u003cp data-start=\"3096\" data-end=\"3368\"\u003eThe MTG-B4000BD-1AJF stands out through its AI-assisted structural development and multi-material construction philosophy. Unlike traditional metal watches, it integrates carbon, resin, and metal into a uniquely engineered platform. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"3370\" data-end=\"3646\"\u003eIts Bluetooth Solar system and Radio Controlled synchronization significantly reduce maintenance requirements while improving everyday reliability. The connected functionality supports accurate timekeeping with minimal user interaction. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"3648\" data-end=\"3931\"\u003eOn the wrist, the Black IP exterior and Layer Composite Band create a tactical yet refined appearance. Community impressions consistently mention that the watch feels lighter and more comfortable than expected despite its substantial presence. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"3933\" data-end=\"4103\"\u003eWithin the MT-G lineup, the MTG-B4000BD-1AJF represents one of the strongest combinations of structural innovation, premium materials, and next-generation G-SHOCK design.\u003c\/p\u003e","brand":"CASIO","offers":[{"title":"Default Title","offer_id":48553482256639,"sku":"MTG-B4000BD-1AJF","price":227000.0,"currency_code":"JPY","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0720\/0561\/5871\/files\/mtg-b4000bd-1ajf_1.jpg?v=1779278163","url":"https:\/\/japanheartfulstore.com\/products\/casio-g-shock-mt-g-mtg-b4000bd-1ajf-jdm-black-ip-full-metal-bluetooth-solar-mens-watch","provider":"Japan Heartful Store","version":"1.0","type":"link"}