EFR-557TR-1ADR

Case / bezel material: Stainless steelOne-touch 3-fold ClaspStainless Steel BandMineral GlassScrew Lock Back100-meter water resistance1-second stopwatch Measuring capacity: 29'59 Measuring modes: Elapsed time, split time, 1st-2nd place timesDate displayRegular timekeeping Analog: 3 hands (hour, minute, second) 3 dials (stopwatch minutes, stopwatch seconds, 24-hour)Accuracy: ±20 seconds per monthApprox. battery life: 3 years on SR920SW