Casio G-Shock GA-B2100-3A Analog-Digital Combination

Case and bezel material: Carbon / Resin?
Resin Band
Mineral Glass
Shock Resistant
Carbon Core Guard structure
Water resistance: 200-meter water resistance

Mobile link (Wireless linking using Bluetooth®)
Apps: CASIO WATCHES
App connectivity feature:
Auto time adjustment
Easy watch setting
Approximately 300 world time cities
Time & place
Reminder
Phone finder

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
1/100-second stopwatch
Countdown timer
5 daily alarms
Hourly time signal
Double LED light
Full auto-calendar (to year 2099)
Mute feature: Button operation tone on/off
Power Saving (display goes blank to save power when the watch is left in the dark)

Accuracy: ±15 seconds per month
12/24-hour format
Hand shift feature (Hands move out of the way to provide an unobstructed view of digital display contents.)
Regular timekeeping:
Analog: 2 hands (hour, minute (hand moves every 20 seconds)), 1 dial (day)
Digital: Hour, minute, second, pm, month, date
Power supply and battery life: Tough Solar (Solar powered)
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)

Case size (L× W× H): 48.5 × 45.4 × 11.9 mm
Weight: 52 g