{"product_id":"casio-g-shock-gdg-b100-1jf-master-of-g-land-mudman-mip-lcd-bluetooth-jdm-mens-watch","title":"CASIO G-SHOCK GDG-B100-1JF MASTER OF G - LAND MUDMAN MIP LCD Bluetooth JDM Men's Watch","description":"\u003ch2\u003eCASIO G-SHOCK GDG-B100-1JF MASTER OF G - LAND MUDMAN\u003c\/h2\u003e\n\n\u003cp\u003e\nThe CASIO G-SHOCK GDG-B100-1JF combines black styling, a high-contrast MIP LCD and Bluetooth Smartphone Link in the MASTER OF G - LAND MUDMAN collection. This battery-powered Japanese Domestic Market model pairs shock, dust and mud resistance with practical training and notification functions.\n\u003c\/p\u003e\n\n\u003ch3\u003eBumper Guard Design and MUDMAN Protection\u003c\/h3\u003e\n\u003cp\u003e\n\u003cstrong\u003eProtective exterior:\u003c\/strong\u003e Inspired by the protective structures of off-road vehicles and survival gear, the bumper guard design uses a multi-faceted bezel and back protector to surround the center case. Interlocking bezel and band components strengthen the connection between them.\n\u003c\/p\u003e\n\u003cp\u003e\n\u003cstrong\u003eMud-resistant construction:\u003c\/strong\u003e A carbon-fiber-reinforced resin case helps resist deformation, while gaskets around the button shafts help prevent mud and dust from entering. Tread-inspired details on the face and band reinforce the functional design, and the case back features the MUDMAN mole character.\n\u003c\/p\u003e\n\n\u003ch3\u003eMIP LCD with Red LED Backlight\u003c\/h3\u003e\n\u003cp\u003e\n\u003cstrong\u003eHigh-contrast display:\u003c\/strong\u003e The memory-in-pixel LCD presents time and training data clearly, including in bright outdoor conditions and direct sunlight.\n\u003c\/p\u003e\n\u003cp\u003e\n\u003cstrong\u003eLow-light visibility:\u003c\/strong\u003e A red LED backlight assists reading in darkness while helping preserve the eyes' adaptation to low light. Auto light and selectable 1.5-second or 3-second afterglow settings add convenience.\n\u003c\/p\u003e\n\n\u003ch3\u003eBluetooth Smartphone Link\u003c\/h3\u003e\n\u003cp\u003e\n\u003cstrong\u003eConnected timekeeping:\u003c\/strong\u003e Pair the watch with a compatible smartphone through the CASIO WATCHES app for automatic time adjustment, convenient watch settings and phone finder.\n\u003c\/p\u003e\n\u003cp\u003e\n\u003cstrong\u003eNotifications and vibration:\u003c\/strong\u003e Supported notifications include incoming calls, email, social updates, calendar events and reminders. Vibration alerts can also notify you of training targets. Connected functions depend on smartphone compatibility, app settings and Bluetooth connectivity.\n\u003c\/p\u003e\n\n\u003ch3\u003eStep Tracking and Training Support\u003c\/h3\u003e\n\u003cp\u003e\n\u003cstrong\u003eActivity measurement:\u003c\/strong\u003e An acceleration sensor supports step tracking and calculates distance, speed and pace. Training functions include calorie estimates, automatic or manual laps, auto pause and customizable training data screens.\n\u003c\/p\u003e\n\u003cp\u003e\n\u003cstrong\u003eSmartphone-assisted distance correction:\u003c\/strong\u003e Distance calculations can be corrected using GPS data from a paired smartphone. After correction, the watch can calculate running distance more accurately on its own. Training and activity records can be transferred to the app for review.\n\u003c\/p\u003e\n\u003cp\u003e\n\u003cstrong\u003eInterval training:\u003c\/strong\u003e A timer with up to five time settings supports repeat intervals. World time, a stopwatch and four alarms with snooze provide additional everyday utility.\n\u003c\/p\u003e\n\n\u003ch3\u003eBattery Power and Bio-Based Resin\u003c\/h3\u003e\n\u003cp\u003e\n\u003cstrong\u003eBattery-powered operation:\u003c\/strong\u003e The specified battery life is approximately 2 years. Without smartphone time synchronization, accuracy is rated at ±15 seconds per month.\n\u003c\/p\u003e\n\u003cp\u003e\n\u003cstrong\u003eMaterials and dimensions:\u003c\/strong\u003e Bio-based resin is used in the main resin components of the case, bezel and band. The watch measures 63.6 × 49.6 × 16.2 mm, weighs 66 g and accommodates wrist sizes from 145 to 215 mm. Mineral glass and 20 bar water resistance complete the construction.\n\u003c\/p\u003e\n\n\u003ch3\u003eJapanese Domestic Market Model\u003c\/h3\u003e\n\u003cp\u003e\n\u003cstrong\u003eJapan-market reference:\u003c\/strong\u003e GDG-B100-1JF is the Japanese Domestic Market reference. JDM identifies the intended sales market and does not indicate the country of manufacture.\n\u003c\/p\u003e\n\n\u003ch3\u003eKey Highlights\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMUDMAN protection:\u003c\/strong\u003e Shock, dust and mud resistance with Carbon Core Guard construction.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMIP LCD:\u003c\/strong\u003e High-contrast digital display with red LED backlight.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBluetooth connectivity:\u003c\/strong\u003e CASIO WATCHES app support, automatic time adjustment and notifications.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTraining functions:\u003c\/strong\u003e Step tracking, distance and pace calculations, lap recording and interval timing.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBattery power:\u003c\/strong\u003e Approximately 2 years of specified battery life.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBlack exterior:\u003c\/strong\u003e Bio-based resin components and 20 bar water resistance.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eProduct Specifications\u003c\/h3\u003e\n\u003ctable style=\"width:100%; border-collapse:collapse; border-spacing:0; table-layout:fixed;\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\" style=\"width:34%; border:1px solid #cccccc; padding:8px 10px; text-align:left; vertical-align:top; overflow-wrap:anywhere;\"\u003eBrand \/ Collection\u003c\/th\u003e\n\u003ctd style=\"width:66%; border:1px solid #cccccc; padding:8px 10px; text-align:left; vertical-align:top; overflow-wrap:anywhere;\"\u003eCASIO G-SHOCK\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\" style=\"border:1px solid #cccccc; padding:8px 10px; text-align:left; vertical-align:top; overflow-wrap:anywhere;\"\u003eSeries\u003c\/th\u003e\n\u003ctd style=\"border:1px solid #cccccc; padding:8px 10px; text-align:left; vertical-align:top; overflow-wrap:anywhere;\"\u003eMASTER OF G - LAND \/ MUDMAN\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\" style=\"border:1px solid #cccccc; padding:8px 10px; text-align:left; vertical-align:top; overflow-wrap:anywhere;\"\u003eModel\u003c\/th\u003e\n\u003ctd style=\"border:1px solid #cccccc; padding:8px 10px; text-align:left; vertical-align:top; overflow-wrap:anywhere;\"\u003eGDG-B100-1JF\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\" style=\"border:1px solid #cccccc; padding:8px 10px; text-align:left; vertical-align:top; overflow-wrap:anywhere;\"\u003eMarket\u003c\/th\u003e\n\u003ctd style=\"border:1px solid #cccccc; padding:8px 10px; text-align:left; vertical-align:top; overflow-wrap:anywhere;\"\u003eJapanese Domestic Market\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\" style=\"border:1px solid #cccccc; padding:8px 10px; text-align:left; vertical-align:top; overflow-wrap:anywhere;\"\u003eWatch Type\u003c\/th\u003e\n\u003ctd style=\"border:1px solid #cccccc; padding:8px 10px; text-align:left; vertical-align:top; overflow-wrap:anywhere;\"\u003eMen's digital watch\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\" style=\"border:1px solid #cccccc; padding:8px 10px; text-align:left; vertical-align:top; overflow-wrap:anywhere;\"\u003eDisplay\u003c\/th\u003e\n\u003ctd style=\"border:1px solid #cccccc; padding:8px 10px; text-align:left; vertical-align:top; overflow-wrap:anywhere;\"\u003eMemory-in-pixel (MIP) LCD\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\" style=\"border:1px solid #cccccc; padding:8px 10px; text-align:left; vertical-align:top; overflow-wrap:anywhere;\"\u003eExterior Color\u003c\/th\u003e\n\u003ctd style=\"border:1px solid #cccccc; padding:8px 10px; text-align:left; vertical-align:top; overflow-wrap:anywhere;\"\u003eBlack\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\" style=\"border:1px solid #cccccc; padding:8px 10px; text-align:left; vertical-align:top; overflow-wrap:anywhere;\"\u003eCase Material\u003c\/th\u003e\n\u003ctd style=\"border:1px solid #cccccc; padding:8px 10px; text-align:left; vertical-align:top; overflow-wrap:anywhere;\"\u003eCarbon-fiber-reinforced resin; bio-based resin used in the main resin components\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\" style=\"border:1px solid #cccccc; padding:8px 10px; text-align:left; vertical-align:top; overflow-wrap:anywhere;\"\u003eBezel\u003c\/th\u003e\n\u003ctd style=\"border:1px solid #cccccc; padding:8px 10px; text-align:left; vertical-align:top; overflow-wrap:anywhere;\"\u003eBio-based resin; bumper guard design\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\" style=\"border:1px solid #cccccc; padding:8px 10px; text-align:left; vertical-align:top; overflow-wrap:anywhere;\"\u003eCase Dimensions\u003c\/th\u003e\n\u003ctd style=\"border:1px solid #cccccc; padding:8px 10px; text-align:left; vertical-align:top; overflow-wrap:anywhere;\"\u003e63.6 × 49.6 × 16.2 mm (length × width × thickness)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\" style=\"border:1px solid #cccccc; padding:8px 10px; text-align:left; vertical-align:top; overflow-wrap:anywhere;\"\u003eWeight\u003c\/th\u003e\n\u003ctd style=\"border:1px solid #cccccc; padding:8px 10px; text-align:left; vertical-align:top; overflow-wrap:anywhere;\"\u003e66 g\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\" style=\"border:1px solid #cccccc; padding:8px 10px; text-align:left; vertical-align:top; overflow-wrap:anywhere;\"\u003eCrystal\u003c\/th\u003e\n\u003ctd style=\"border:1px solid #cccccc; padding:8px 10px; text-align:left; vertical-align:top; overflow-wrap:anywhere;\"\u003eMineral glass\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\" style=\"border:1px solid #cccccc; padding:8px 10px; text-align:left; vertical-align:top; overflow-wrap:anywhere;\"\u003eCase-Back Detail\u003c\/th\u003e\n\u003ctd style=\"border:1px solid #cccccc; padding:8px 10px; text-align:left; vertical-align:top; overflow-wrap:anywhere;\"\u003eMUDMAN mole character engraving\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\" style=\"border:1px solid #cccccc; padding:8px 10px; text-align:left; vertical-align:top; overflow-wrap:anywhere;\"\u003eBand \/ Bracelet\u003c\/th\u003e\n\u003ctd style=\"border:1px solid #cccccc; padding:8px 10px; text-align:left; vertical-align:top; overflow-wrap:anywhere;\"\u003eBio-based resin band\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\" style=\"border:1px solid #cccccc; padding:8px 10px; text-align:left; vertical-align:top; overflow-wrap:anywhere;\"\u003eCompatible Wrist Size\u003c\/th\u003e\n\u003ctd style=\"border:1px solid #cccccc; padding:8px 10px; text-align:left; vertical-align:top; overflow-wrap:anywhere;\"\u003e145–215 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\" style=\"border:1px solid #cccccc; padding:8px 10px; text-align:left; vertical-align:top; overflow-wrap:anywhere;\"\u003eMovement Type\u003c\/th\u003e\n\u003ctd style=\"border:1px solid #cccccc; padding:8px 10px; text-align:left; vertical-align:top; overflow-wrap:anywhere;\"\u003eBattery-powered quartz with Bluetooth Smartphone Link\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\" style=\"border:1px solid #cccccc; padding:8px 10px; text-align:left; vertical-align:top; overflow-wrap:anywhere;\"\u003eBattery Life\u003c\/th\u003e\n\u003ctd style=\"border:1px solid #cccccc; padding:8px 10px; text-align:left; vertical-align:top; overflow-wrap:anywhere;\"\u003eApproximately 2 years\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\" style=\"border:1px solid #cccccc; padding:8px 10px; text-align:left; vertical-align:top; overflow-wrap:anywhere;\"\u003eAccuracy\u003c\/th\u003e\n\u003ctd style=\"border:1px solid #cccccc; padding:8px 10px; text-align:left; vertical-align:top; overflow-wrap:anywhere;\"\u003e±15 seconds per month without smartphone time synchronization\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\" style=\"border:1px solid #cccccc; padding:8px 10px; text-align:left; vertical-align:top; overflow-wrap:anywhere;\"\u003eCompatible App\u003c\/th\u003e\n\u003ctd style=\"border:1px solid #cccccc; padding:8px 10px; text-align:left; vertical-align:top; overflow-wrap:anywhere;\"\u003eCASIO WATCHES\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\" style=\"border:1px solid #cccccc; padding:8px 10px; text-align:left; vertical-align:top; overflow-wrap:anywhere;\"\u003eApp-Linked Functions\u003c\/th\u003e\n\u003ctd style=\"border:1px solid #cccccc; padding:8px 10px; text-align:left; vertical-align:top; overflow-wrap:anywhere;\"\u003eAutomatic time adjustment; watch settings; approximately 300 world time cities; smartphone notifications; activity and life logs; smartphone GPS distance correction; phone finder\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\" style=\"border:1px solid #cccccc; padding:8px 10px; text-align:left; vertical-align:top; overflow-wrap:anywhere;\"\u003eTraining Functions\u003c\/th\u003e\n\u003ctd style=\"border:1px solid #cccccc; padding:8px 10px; text-align:left; vertical-align:top; overflow-wrap:anywhere;\"\u003eAcceleration-sensor-based distance, speed and pace calculations; calorie estimates; automatic\/manual laps; auto pause; time and calorie target alerts; customizable training display\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\" style=\"border:1px solid #cccccc; padding:8px 10px; text-align:left; vertical-align:top; overflow-wrap:anywhere;\"\u003eTraining Log\u003c\/th\u003e\n\u003ctd style=\"border:1px solid #cccccc; padding:8px 10px; text-align:left; vertical-align:top; overflow-wrap:anywhere;\"\u003eRecorded time, distance, pace and calories burned\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\" style=\"border:1px solid #cccccc; padding:8px 10px; text-align:left; vertical-align:top; overflow-wrap:anywhere;\"\u003eLife Log\u003c\/th\u003e\n\u003ctd style=\"border:1px solid #cccccc; padding:8px 10px; text-align:left; vertical-align:top; overflow-wrap:anywhere;\"\u003eDaily step count and monthly running distance\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\" style=\"border:1px solid #cccccc; padding:8px 10px; text-align:left; vertical-align:top; overflow-wrap:anywhere;\"\u003eWorld Time\u003c\/th\u003e\n\u003ctd style=\"border:1px solid #cccccc; padding:8px 10px; text-align:left; vertical-align:top; overflow-wrap:anywhere;\"\u003e38 cities in 38 time zones plus UTC; automatic daylight saving setting; time-zone data may be updated through smartphone linking\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\" style=\"border:1px solid #cccccc; padding:8px 10px; text-align:left; vertical-align:top; overflow-wrap:anywhere;\"\u003eStopwatch\u003c\/th\u003e\n\u003ctd style=\"border:1px solid #cccccc; padding:8px 10px; text-align:left; vertical-align:top; overflow-wrap:anywhere;\"\u003e1-second measurement; 100-hour capacity; split time\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\" style=\"border:1px solid #cccccc; padding:8px 10px; text-align:left; vertical-align:top; overflow-wrap:anywhere;\"\u003eInterval Timer\u003c\/th\u003e\n\u003ctd style=\"border:1px solid #cccccc; padding:8px 10px; text-align:left; vertical-align:top; overflow-wrap:anywhere;\"\u003eUp to five time settings; 1-second setting increments; maximum setting of 60 minutes; 1-second measurement; auto repeat\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\" style=\"border:1px solid #cccccc; padding:8px 10px; text-align:left; vertical-align:top; overflow-wrap:anywhere;\"\u003eAlarms\u003c\/th\u003e\n\u003ctd style=\"border:1px solid #cccccc; padding:8px 10px; text-align:left; vertical-align:top; overflow-wrap:anywhere;\"\u003eFour time alarms with snooze\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\" style=\"border:1px solid #cccccc; padding:8px 10px; text-align:left; vertical-align:top; overflow-wrap:anywhere;\"\u003eLight\u003c\/th\u003e\n\u003ctd style=\"border:1px solid #cccccc; padding:8px 10px; text-align:left; vertical-align:top; overflow-wrap:anywhere;\"\u003eRed LED backlight with auto light and selectable 1.5-second\/3-second afterglow\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\" style=\"border:1px solid #cccccc; padding:8px 10px; text-align:left; vertical-align:top; overflow-wrap:anywhere;\"\u003eAdditional Functions\u003c\/th\u003e\n\u003ctd style=\"border:1px solid #cccccc; padding:8px 10px; text-align:left; vertical-align:top; overflow-wrap:anywhere;\"\u003eVibration alerts; full-auto calendar; date\/day display; 12\/24-hour format; airplane mode; operation tone and vibration on\/off; user profile settings; display-off function\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\" style=\"border:1px solid #cccccc; padding:8px 10px; text-align:left; vertical-align:top; overflow-wrap:anywhere;\"\u003eProtective Construction\u003c\/th\u003e\n\u003ctd style=\"border:1px solid #cccccc; padding:8px 10px; text-align:left; vertical-align:top; overflow-wrap:anywhere;\"\u003eShock resistance; dust and mud resistance; Carbon Core Guard\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\" style=\"border:1px solid #cccccc; padding:8px 10px; text-align:left; vertical-align:top; overflow-wrap:anywhere;\"\u003eWater Resistance\u003c\/th\u003e\n\u003ctd style=\"border:1px solid #cccccc; padding:8px 10px; text-align:left; vertical-align:top; overflow-wrap:anywhere;\"\u003e20 bar\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\" style=\"border:1px solid #cccccc; padding:8px 10px; text-align:left; vertical-align:top; overflow-wrap:anywhere;\"\u003eRelease Date in Japan\u003c\/th\u003e\n\u003ctd style=\"border:1px solid #cccccc; padding:8px 10px; text-align:left; vertical-align:top; overflow-wrap:anywhere;\"\u003eOctober 16, 2026\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\" style=\"border:1px solid #cccccc; padding:8px 10px; text-align:left; vertical-align:top; overflow-wrap:anywhere;\"\u003eJAN Code\u003c\/th\u003e\n\u003ctd style=\"border:1px solid #cccccc; padding:8px 10px; text-align:left; vertical-align:top; overflow-wrap:anywhere;\"\u003e4549526430732\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n","brand":"CASIO","offers":[{"title":"Default Title","offer_id":50874405781759,"sku":"GDG-B100-1JF","price":42600.0,"currency_code":"JPY","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0720\/0561\/5871\/files\/gdg-b100-1jf_1.jpg?v=1793531512","url":"https:\/\/japanheartfulstore.com\/products\/casio-g-shock-gdg-b100-1jf-master-of-g-land-mudman-mip-lcd-bluetooth-jdm-mens-watch","provider":"Japan Heartful Store","version":"1.0","type":"link"}