Features:

Mineral GlassScrew Lock Back100-meter water resistanceCase / bezel material: Stainless steelStainless Steel BandOne-touch 3-fold ClaspRegular timekeepingAnalog: 3 hands (hour, minute, second),4 dials (month, date, day, 24-hour)Accuracy: ±20 seconds per monthApprox. battery life: 3 years on

Features:

Mineral GlassScrew Lock Back100-meter water resistanceCase / bezel material: Stainless steelStainless Steel BandOne-touch 3-fold ClaspRegular timekeepingAnalog: 3 hands (hour, minute, second),4 dials (month, date, day, 24-hour)Accuracy: ±20 seconds per monthApprox. battery life: 3 years on SR621SWSize of case: 49 × 44.8 × 10.1 mmTotal weight: 142 g