Casio Edifice EF-535BK-1AV

Basic Info:
Case: Stainless Steel
Accuracy per month: ±20 sec
Battery Type: SR621W
Battery Life: 2 YRS

Specification:
1/1-second stopwatch
Measuring capacity: 29'59"
Measuring mode: Elapsed time
Accuracy: ±20 seconds per month
Approx. battery life: 2 years on SR621SW
Regular timekeeping
Analog: 3 hands (Hour, minute, second), 3 dials (Stopwatch minute and second, 24-hour)
Size of case: 50.6 X 45.5 X 13.7 mm
Total weight: 182 g

FUNCTION AND FEATURE:
Stopwatch: Accurate measurement of elapsed time with the touch of a button. The time figure indicates the maximum time measurement.
Water Resistant: The "BAR" value indicates the number of atmospheres to which water resistance is ensured. 10 BAR means water resistance to 10 atmospheres. Watches marked "100m" have the same water resistance as 10 BAR watches.
Mineral Glass: Hard glass resists scratching.
Spherical Glass: The surface of the glass is rounded.
Screw Lock Crown: The crown screws into the case to ensure water resistance.
Screw Lock Back
Solid Metal Band
Double-lock, 1-press, 3-fold buckle