CASIO E EFC-C100D-1BV

Case Size (L × W × H): 51.6 × 46.6 × 14.2 mm
Weight: 161 g

Case and Bezel Material: Stainless Steel / Aluminum
Band: Stainless Steel Band
Clasp: One-touch 3-fold Clasp
Water Resistance: 100-meter water resistance

Power Supply and Battery Life: Approx. 10 years on CR2025

Exterior:

Glass: Mineral Glass
Watch Features:

World Time:

Current time in 30 cities (29 time zones)
Daylight saving on/off
Stopwatch:

1/100-second stopwatch
Measuring capacity: 23:59'59.99''
Measuring modes: Elapsed time, split time, 1st–2nd place times
Timer:

Countdown timer
Measuring unit: 1 second
Countdown range: 24 hours
Countdown start time setting range: 1 minute to 24 hours (1-minute and 1-hour increments)
Alarm/Hourly Time Signal:

3 daily alarms (1 snooze alarm)
Hourly time signal
Calendar:

Full auto-calendar (to year 2099)
Accuracy: ±30 seconds per month

Other Features:

12/24-hour format
Telememo: Memory capacity up to 30 sets of data (name of 8 characters + 16-digit phone number)

Remaining memory screen
Auto sort
Regular timekeeping:

Analog: 2 hands (hour, minute – hand moves every 20 seconds)
Digital: Hour, minute, second, am/pm, month, date, day