Mineral GlassPartial ion platedTachymeterScrew Lock Back100-meter water resistanceCase / bezel material: Stainless steelStainless Steel BandOne-touch 3-fold Buckle1-second stopwatchMeasuring capacity: 11:59'59Measuring mode: Elapsed timeDay and date displayRegular timekeepingAnalog: 3 hands (hour,

Mineral GlassPartial ion platedTachymeterScrew Lock Back100-meter water resistanceCase / bezel material: Stainless steelStainless Steel BandOne-touch 3-fold Buckle1-second stopwatchMeasuring capacity: 11:59'59Measuring mode: Elapsed timeDay and date displayRegular timekeepingAnalog: 3 hands (hour, minute, stopwatch seconds),3 dials (timekeeping second, stopwatch hours, stopwatch minutes)Accuracy: ±20 seconds per monthApprox. battery life: 5 years on SR927WSize of case/total weight: 52 X 46.8 X 11.6 mm/163 g