Casio digital instrument case - practical and easy to use - B640WMR-5A

Stopwatch with a rate of 1/100 of a second

Water resistant up to a depth of 50 meters

Daily alarm

LED backlighting

stainless steel bracelet

Popular classic design

Structure dimensions (length x width x height): 38.9 x 35 x 9.4 mm

Frame and structure material: Resin

Water resistant up to a depth of 50 meters

Strap: Stainless steel mesh bracelet

Adjustable clip

Approximate battery life: 3 years on CR2016

Resin glass

1/100 second accurate stopwatch. Measurement capacity: Approximately 00'00'00 to 59'59'99 (for the first 60 minutes) and 1:00'00 to 23:59'59 (after 60 minutes). Measurement unit: 1/100 second (for the first 60 minutes), 1 second (after 60 minutes). Measurement modes: Elapsed time, split time, times for 1st and 2nd place.

Countdown timer; Unit of measurement: 1 second; Countdown timer range: 24 hours; Countdown start time setting range: 1 second to 24 hours (in 1-second, 1-minute, and 1-hour increments); Other features: Automatic repeat

Clock time indicator

Multi-tasking alarm clock

Flashing alert with a buzzing beep for alerts, clock time indicator

LED backlighting, twilight lighting

LED light: Amber color

Fully automatic calendar (until 2039)

Accuracy: ±30 seconds per month

12/24 hour format

Regular time recording: hours, minutes, seconds, PM, month, date, day