Case / bezel material: Stainless steelSolid BandDouble-lock, 1-press, 3-fold ClaspStainless Steel BandMineral Glass / Spherical GlassScrew Lock CrownScrew Lock BackPartial ion plated100-meter water resistance1-second stopwatch Measuring capacity: 29'59 Measuring mode: Elapsed timeDate displayRegular timekeeping Analog: 3 hands (hour, minute, second), 3 dials (stopwatch minutes, stopwatch seconds, 24-hour)Accuracy: ±20 seconds per monthApprox. battery life: 2 years on SR621SW 
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