CASIO EDIFICE EFR-539BK-1A2V (C5)

BASIC INFORMATION Case size (L W H) 54.1 49.5 11.7 mm Weight 185 g Case and bezel material Stainless steel Band Stainless Steel Band One-touch 3-fold Clasp Water resistance 100-meter water resistance Power supply and battery life Approx. battery life: 2 years on SR920SW Exterior Glass Mineral Glass Back plate Screw Lock Back Surface treatment Black ion plated band Black ion plated case Watch Features Stopwatch 1/10-second stopwatch Measuring capacity: 59'59.9'' Measuring modes: Elapsed time, split time, 1st-2nd place times Accuracy Accuracy: 20 seconds per month Other features Regular timekeeping: Analog: 3 hands (hour, minute, second), 3 dials (stopwatch 1/10 seconds, stopwatch minutes, stopwatch seconds) Date display