Casio G-Shock Full Metal 2100 Series Solar Smartphone Link Silver GM-B2100D-1A

Casio G-Shock Full Metal 2100 Series Solar Bluetooth Smartphone Link - Silver

GMB2100D-1A

GM-B2100D-1A Specifications

Movement:
Module: 5691
Tough Solar (Solar powered)

Exterior:
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
Glass: Mineral Glass
Back: Screw Lock Back
Compatible band size: 150 to 205 mm

Other Details:
Smartphone Link feature: Mobile link (Wireless linking using Bluetooth®)

World time
38 time zones (38 cities + coordinated universal time), city code display, 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:
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 timer
Measuring unit: 1 second
Countdown range: 60 minutes
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 light
LED 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)
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: 
-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)
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: Analogue: 2 hands (hour, minute (hand moves every 20 seconds)), 1 dial (battery level, mode); Digital: Hour, minute, second, pm, month, date, day

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