G-SHOCK GBM-2100A-1A3ER

49.3 × 44.4 × 11.9 mm

72 g

Bio-based Resin / Stainless steel

Bio-based resin band

Shock Resistant

200-meter water resistance

Bluetooth: Connects to a smartphone and automatically adjusts the time

Tough Solar (Solar powered)

Mobile link (Wireless linking using Bluetooth®)

CASIO WATCHES

Auto time adjustment

Easy watch setting

Approximately 300 world time cities

Time & place

Reminder

Phone finder

Mineral Glass

145 to 215 mm

Neobrite

World time 38 time zones (38 cities + coordinated universal time), auto summer time (DST) switching, home city/world time city swapping

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

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)

5 daily alarms

Hourly time signal

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

Full auto-calendar (to year 2099)

Button operation tone on/off

Power Saving (display goes blank to save power when the watch is left in the dark)

Battery level indicator

Accuracy: ±15 seconds per month (with no mobile link function)

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: Analog: 2 hands (hour, minute (hand moves every 20 seconds)), 1 dial (battery level, mode) Digital: Hour, minute, second, pm, month, date, day