BEM-313D-1AVDF

Case / bezel material: Stainless steelTriple-fold ClaspStainless Steel BandMineral GlassScrew Lock BackRetrograde dial50-meter water resistance1-second stopwatch Measuring capacity: 59'59 Measuring mode: Elapsed timeDate displayRegular timekeeping Analog: 3 hands (hour, minute, stopwatch seconds), 3 dials (timekeeping second, stopwatch minutes, day)Accuracy: ±20 seconds per monthApprox. battery life: 2 years on SR626SW