Casio HS-70W-1JH Stopwatch Lap Time Split Measurement 2 Memory 5 ATM Water Resistant Silent Mode Switch Black

---------------------------------------------------------------------- Features: Stopwatch (1/1000 second, 10-hour timer (normal measurement, lap/split measurement, simultaneous measurement of 1st to 100th place), 100 lap/split memory x 2, time/calendar display, operation sound ON/OFF switch, full auto calendar, 12/24 hour format display switch, battery life approximately 5 years) Power source: CR2032 button battery x 1 Main unit size: (approx.) Height 8.3 x Width 6.4 x Thickness 2.4 cm