Casio G-Shock Metal GM-B2100AD-5AER

Basic Information
Case Size: 49.8 × 44.4 × 12.8 mm
Weight: 165 g
Case and Bezel Material: Stainless steel
Band: Adjustable stainless steel (150–205 mm)
Clasp: One-touch 3-fold deployant
Construction: Shock resistant
Water Resistance: Up to 20 bar

Power Supply
System: Tough Solar (solar powered)
Battery Life: Approximately 7 months normal use, up to 18 months in power-saving mode
Power Saving: Automatic display shutdown in the dark
Battery Indicator: Yes

Connection and App
Bluetooth®: Integrated
Mobile Link: Smartphone connectivity
App: CASIO WATCHES
Smart Functions: Automatic time adjustment, simplified settings, world time (approx. 300 cities), phone finder, reminders

Exterior
Glass: Mineral
Case Back: Screw lock
Luminiscence: Neobrite
Illumination: Dual Super Illuminator LED light
Light Duration: 1.5 or 3 seconds
LED Color: White

Watch Functions

World Time:
38 time zones + UTC
city display
automatic daylight saving time

Stopwatch:
hundredths of a second (first 60 min), then seconds
maximum duration 23:59:59
modes: elapsed time, split/lap

Timer:
countdown up to 60 minutes
settings: 1 second or 1 minute

Alarms and Signals:
5 daily alarms
hourly time signal
button tones on/off

Calendar:
full auto calendar up to 2099

Accuracy:
±15 seconds per month (without Bluetooth)

Other Features:
hand shift feature
day display in 6 languages
selectable date format

Display
Analog: 2 hands (hour, minute), 1 dial (battery level/mode)
Digital: Hour, minute, second, AM/PM, month, date, day of the week