G-Shock GBM2100A-2B G-Steel

Continuing the legacy of its groundbreaking 1983 debut, G-SHOCK pushes forward in its pursuit of ultimate toughness. The latest addition to the 2100 series retains the line’s iconic slim profile while introducing Smartphone Link connectivity and Tough Solar power—now housed in a sleek metal-bezel design. Select components of the case and band are crafted from bio-based resin, a material that contributes to reducing environmental impact. The GBM-2100A-2B stands out with a blue vapor-deposited dial paired with silver vapor-deposited hour markers, delivering a refined yet rugged aesthetic. - Module No. 5729 - 49.3 x 44.4 x 11.9mm Case Size - 72g Weight - Shock resistant (G-SHOCK) - Tough Solar (Solar powered) - Double LED light - Mobile link (Wireless linking using Bluetooth®) - Hand shift feature (Hands move out of the way to provide an unobstructed view of digital display contents) - World time: 38 time zones (38 cities + coordinated universal time), auto summer time (DST) switching, home city/world time city swapping, city code display, city name display, daylight saving on/off - 1/100-second stopwatch - Countdown timer - 5 daily alarms - Hourly time signal - Battery level indicator - Power Saving (display goes blank to save power when the watch is left in the dark) - Full auto-calendar (to year 2099) - 12/24-hour format - Button operation tone on/off - Date/month display swapping - Day display (days of the week selectable in six languages) - Regular timekeeping *Analog: 2 hands (hour, minute (hand moves every 20 seconds)), 1 dial (mode, battery level) *Digital: Hour, minute, second, pm, month, date, day - Accuracy: ±15 seconds per month (with no mobile link function) - Approx. battery operating time: 7 months on rechargeable battery (operation period with normal use without exposure to light after charge) *18 months on rechargeable battery (operation period when stored in total darkness with the power save function on after full charge)