Casio CA-53W-1

8-Digit Calculator
Constants for addition, subtraction, multiplication and division

Water Resistant

Dual Time

Daily Alarm

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

Hourly Time Signal

Auto Calendar (pre-programmed until the year 2079)

Accuracy: +/-15 seconds per month

Battery CR2016

Approx. battery life: 5 years

Module 437/3208

Size of case/total weight

42.0 x 33.0 x 7.0mm / 29g