The G-SHOCK GST-B1000BD-1A combines a refined metal design with advanced toughness and smart connectivity. Built with a bio-based carbon and stainless steel structure, Carbon Core Guard protection, and a solid stainless steel band, this model delivers a durable yet elevated look. Bluetooth® smartphone linking, Tough Solar power, 200-meter water resistance, a screw lock crown, Super Illuminator LED light, and practical daily functions make it a strong choice for modern everyday wear. SKU: GST-B1000BD-1A Case & Exterior Case Size (L × W × H) 46.9 × 44.2 × 11.6 mm Weight 118 g Case & Bezel Material Bio-based carbon / Stainless steel Band Solid stainless steel bandOne-touch 3-fold clasp Construction Shock resistantCarbon Core Guard structure Water Resistance 200-meter water resistance Glass Mineral glass Crown Screw lock crown Surface Treatment Black ion-plated bezelBlack ion-plated band Compatible Band Size 150 to 205 mm Other Neobrite Time Adjustment Bluetooth® smartphone connection with automatic time adjustment Power Supply Tough Solar Smartphone Link & Features Smartphone Link Mobile link using Bluetooth® App CASIO WATCHES App Connectivity Auto time adjustmentEasy watch settingTime & placePhone finder Stopwatch 1-second stopwatchMeasuring capacity: 29'59Elapsed time measurement Timer Countdown timerMeasuring unit: 1 secondCountdown range: 30 minutesStart time setting: 1 to 30 minutes Alarm Daily alarm Light White LED Super IlluminatorAfterglow Calendar Full auto-calendar to year 2099 Energy Saving Power Saving: hands stop to save power when left in the dark Battery Alert Low battery alert Run Time 5 months on rechargeable battery with normal use after charge18 months on rechargeable battery in total darkness with Power Saving after full charge Accuracy ±15 seconds per month without mobile link function Other Features Day indicatorDate display Regular Timekeeping Analog: 3 hands for hour, minute, and second, with minute hand moving every 10 seconds2 dials for 24-hour time and day
