CASIO General CA-53WF-1BDF Data Bank Digital Rubber Strap

Case size (L×W×H): 43.2 × 34.4 × 8.2 mm
Weight: 25 g
Case and bezel material: Resin
Watch Strap: Resin Watch Strap
Water resistance: Waterproof
Power supply and battery life
Estimated battery life: 5 years on CR2016
Glass: Resin Glass
World time: Double time
Stopwatch : 1/100 second stopwatch, Measuring capacity: 23:59'59.99''
Measurement modes: Elapsed time, split time, first-second position time
Daily alarm
Hourly time signal
Calendar
Fully automatic calendar (up to 2099)
Silent feature
Operation button sound on/off
Accuracy
Accuracy: ±15 seconds per month
Other features
8 digit calculator
12/24 hour format
Standard timekeeping:
Hours, minutes, seconds, am/pm, year, month, date, day