Case / bezel material: Stainless steelDouble-lock, 1-press, 3-fold ClaspSolid BandStainless Steel BandScrew Lock BackSapphire Glass with non-reflective coating100-meter water resistanceDual time1-second stopwatch Measuring capacity: 59'59 Measuring mode: Elapsed timeDate displayRegular timekeeping Analog: 4 hands (hour, minutes, 12-hour, stopwatch seconds), 3 dials (seconds, 24-hour, stopwatch minutes) *Home time and local time can be indicated using the hour hand, minute hand, 12-hour hand and 24-hour dial.Accuracy: ±20 seconds per monthApprox. battery life: 2 years on SR626SW