Case / bezel material: Stainless steelOne-touch 3-fold ClaspSolid BandStainless Steel BandPartial ion platedCeramic bezelSapphire Glass with non-reflective coating50-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