·Mineral Glass

·Screw Lock Back

·100-meter water resistance

·Case / bezel material: Stainless steel

·Stainless Steel Band

·One-touch 3-fold Clasp

·1-second stopwatch Measuring capacity: 29'59 Measuring

·Mineral Glass

·Screw Lock Back

·100-meter water resistance

·Case / bezel material: Stainless steel

·Stainless Steel Band

·One-touch 3-fold Clasp

·1-second stopwatch Measuring capacity: 29'59 Measuring mode: Elapsed time

·Date display

·Regular timekeeping Analog: 3 hands (hour, minute, second), 3 dials (timekeeping 24-hour, stopwatch seconds, stopwatch minutes)

·Accuracy: ±20 seconds per month

·Approx. battery life: 2 years on SR621SW

·Size of case: 56.6 × 49 × 12.7 mm

·Total weight: 198 g