The Casio HS-70W-1 is a precision digital stopwatch featuring a durable resin case and bezel construction.

It offers 1/1000-second measurement accuracy with lap, split, and total elapsed time tracking, along with a dual 100-record memory capacity.

Equipped with standard timekeeping, a full auto-calendar up to 2099, and a beeper alarm, it operates on a long-lasting 5-year CR2032 battery.

Case size (L× W× H)	83 × 64 × 24 mm
Weight	85 g
Case material	Resin
Power supply and battery life	Approx. 5 years on CR2032 (includes an average of 30 presses of button per day.)
Stopwatch	1/1000-second stopwatch Measuring capacity: Total elapsed time display: 9:59'59.999'' Lap time display: 59'59.999'' Split time display: 9:59'59.999'' Measuring modes: Elapsed time, lap time, split time, 1st-100th place time, lap counter (up to 99) Memory capacity: 2 sets of 100 records each
Accuracy (stopwatch)	99.9988%
Calendar	Full auto-calendar (to year 2099)
Accuracy	±30 seconds per month
Time format	12/24-hour format
Button operation tone	Button operation tone on/off
Regular timekeeping	Hour, minute, second, am/pm, year, month, date, day
Alarm	Beeper sound alarm

What is the measurement accuracy of the stopwatch?

The stopwatch features 1/1000-second measurement precision with 99.9988% stopwatch accuracy.

How much memory does the stopwatch store?

It features a memory capacity of 2 sets of 100 records each.

What measuring modes are supported?

It supports elapsed time, lap time, split time, 1st-100th place time, and a lap counter up to 99.

What type of battery does it use and how long does it last?

It operates on a CR2032 battery with an estimated life of approximately 5 years based on an average of 30 button presses per day.

What are the dimensions and weight of this stopwatch?

The device measures 83 × 64 × 24 mm and weighs 85 g.

Does it include regular time and calendar functions?

Yes, it displays regular timekeeping in 12/24-hour formats and includes a full auto-calendar up to the year 2099.

Casio Digital Silver Stopwatch HS-70W-1DF