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Casio G-Shock G-Steel 2100 Series with Black Dial #GBM2100-1A
This watch features a 49.3 × 44.4 × 11.9mm case and weighs 72 grams, offering a substantial yet comfortable presence on the wrist. The case and bezel are crafted from bio-based resin and stainless steel, paired with a durable bio-based resin band for a modern, eco-conscious design. Built with shock-resistant construction and 200-meter water resistance, it’s ready for both everyday wear and rugged adventures. Bluetooth connectivity allows the watch to connect to a smartphone for automatic time adjustment, ensuring precise accuracy wherever you are. Powered by Tough Solar technology, it runs on solar energy for reliable, maintenance-free performance.
- Movement:Casio Tough Solar (Solar powered)
- Case:Shock Resistant Bio-based Resin / Stainless steel. 49.3 × 44.4 × 11.9mm.
- Back:Solid screwed-in Caseback
- Crystal:Mineral Glass
- Band:Bio-based resin band
- Water Resistant:200 meters
- Weight:72 grams
- Warranty:1 year
Product Features
Watch Features
World Time
38 time zones (38 cities + coordinated universal time), auto summer time (DST) switching, home city/world time city swappingStopwatch
1/100-second stopwatchMeasuring capacity:
00'00''00~59'59''99 (for the first 60 minutes)
1:00'00~23:59'59 (after 60 minutes)
Measuring unit:
1/100 second (for the first 60 minutes)
1 second (after 60 minutes)
Measuring modes: Elapsed time, lap/split time
Timer
Countdown timerMeasuring unit: 1 second
Countdown range: 60 minutes
Countdown start time setting range: 1 second to 60 minutes (1-second and 1-minute increments)
Alarm/Hourly Time Signal
5 daily alarmsHourly time signal
Light
Double LED lightLED light for the face (Super Illuminator, selectable illumination duration: 1.5 seconds or 3 seconds, afterglow)
LED backlight for the digital display (Super Illuminator, selectable illumination duration: 1.5 seconds or 3 seconds, afterglow)
Light Color
LED: WhiteCalendar
Full auto-calendar (to year 2099)Mute Feature
Button operation tone on/offEnergy Saving Feature
Power Saving (display goes blank to save power when the watch is left in the dark)Battery Display/Alert
Battery level indicatorRun Time
Approx. battery operating time:7 months on rechargeable battery (normal use without exposure to light after charge)
18 months on rechargeable battery (stored in total darkness with power save function on after full charge)
Accuracy
±15 seconds per month (with no mobile link function)Other Features
Hand shift feature (hands move out of the way for an unobstructed view of digital display contents)12/24-hour format
Date/month display swapping
Day display (selectable in six languages)
Regular Timekeeping
Analog: 2 hands (hour, minute — minute hand moves every 20 seconds), 1 dial (battery level, mode)Digital: Hour, minute, second, PM, month, date, day
Smartphone Link Feature
Mobile link (wireless linking using Bluetooth®)Apps
CASIO WATCHESApp Connectivity Features
Auto time adjustmentEasy watch setting
Approximately 300 world time cities
Time & place
Reminder
Phone finder