EFR-536D-1A4VDF

Case / bezel material: Stainless steelSolid BandStainless Steel BandOne-touch 3-fold ClaspScrew Lock BackMineral Glass100-meter water resistanceNeon Illuminator (Black light LED) Afterglow1/10-second stopwatch Measuring capacity: 59'59.9'' Measuring modes: Elapsed time, split time, 1st-2nd place timesDate displayRegular timekeeping Analog: 3 hands (hour, minute, second), 3 dials (stopwatch 1/10 second, stopwatch seconds, stopwatch minutes)Accuracy: ±20 seconds per monthApprox. battery life: 2 years on SR920SW (3 hands and 3 dials) 2 years on CR1616 (Light 16 [sec/day])