EFR-549D-1A2VUDF

Case / bezel material: Stainless steelOne-touch 3-fold ClaspStainless Steel BandMineral GlassScrew Lock BackBlack ion plated bezel100-meter water resistance1-second stopwatch Measuring capacity: 11:59'59 Measuring mode: Elapsed timeDay and date displayRegular timekeeping Analog: 3 hands (hour, minute, stopwatch seconds), 3 dials (timekeeping second, stopwatch hours, stopwatch minutes)Accuracy: ±20 seconds per monthApprox. battery life: 5 years on SR927W