·Mineral Glass

·Screw Lock Back

·Anti-reverse Bezel

·100-meter water resistance

·Case / bezel material: Stainless steel

·Stainless Steel

·Mineral Glass

·Screw Lock Back

·Anti-reverse Bezel

·100-meter water resistance

·Case / bezel material: Stainless steel

·Stainless Steel Band

·One-touch 3-fold Clasp

oRegular timekeeping Analog: 3 hands (hour, minute, second), 2 dials (date, 24-hour)

oAccuracy: ±20 seconds per month

oApprox. battery life: 3 years on SR621SW

·Size of case: 49.9 × 44.6 × 11 mm

·Total weight: 148 g