·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