Elegance forged from steel: the silver, full-metal 2100 series G-SHOCK GMB2100D-1A watch by Casio. Steel, shock resistance, and tech. That’s G-SHOCK engineering.
Case size (L× W× H):49.8 × 44.4 × 12.8 mm
Weight:165 g
Case and bezel material:Stainless steel
Band:Stainless Steel Band,Solid Band,One-touch 3-fold Clasp
Construction:Shock Resistant
Water resistance:200-meter water resistance
Time adjustment:Bluetooth: Connects to a smartphone and automatically adjusts the time
Power supply and battery life:Tough Solar (Solar powered)
Smartphone Link feature:Mobile link (Wireless linking using Bluetooth®)
Apps:CASIO WATCHES
App connectivity feature:Auto time adjustment,Easy watch setting,Approximately 300 world time cities,Time u0026 place,Reminder,Phone finder
Glass:Mineral Glass
Back plate:Screw Lock Back
Compatible band size:150 to 205 mm
Other:Neobrite
World time:World time
38 time zones (38 cities + coordinated universal time), city name display, daylight saving on/off, auto summer time (DST) switching, Home city/World time city swapping
Stopwatch:1/100-second stopwatch
Measuring capacity:
00u002700u0027u002700~59u002759u0027u002799 (for the first 60 minutes)
1:00u002700~23:59u002759 (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 timeru0026#10
Measuring unit: 1 secondu0026#10
Countdown range: 60 minutesu0026#10
Countdown start time setting range: 1 second to 60 minutes (1-second increments and 1-minute increments)
Alarm/hourly time signal:5 daily alarms,Hourly time signal
Light:Double LED lightu0026#10
LED light for the face (Super illuminator, selectable illumination duration (1.5 seconds or 3 seconds), afterglow)u0026#10
LED backlight for the digital display (Super illuminator, selectable illumination duration (1.5 seconds or 3 seconds), afterglow)
Light color:LED:White
Calendar:Full auto-calendar (to year 2099)
Mute feature:Button operation tone on/off
Energy saving feature:Power Saving (display goes blank to save power when the watch is left in the dark)
Battery display/alert:Battery level indicator
Run time:Approx. battery operating time:u0026#10
7 months on rechargeable battery (operation period with normal use without exposure to light after charge)u0026#10
18 months on rechargeable battery (operation period when stored in total darkness with the power save function on after full charge)
Accuracy:Accuracy: ±15 seconds per month (with no mobile link function)
Other features:Hand shift feature (Hands move out of the way to provide an unobstructed view of digital display contents.),12/24-hour format,Date/month display swapping,Day display (days of the week selectable in six languages),Regular timekeeping:u0026#10
Analog: 2 hands (hour, minute (hand moves every 20 seconds)), 1 dial (battery level, mode)u0026#10
Digital: Hour, minute, second, pm, month, date, day
