| Mineral Glass Case / bezel material: Stainless steel Resin Band Screw Lock Back Date display Luminescent color hour markers Tachymeter 1/20-second chronograph 1/20-second stopwatch Measuring capacity: 59'59.95'' Measuring mode: Elapsed time Regular timekeeping Analog: 3 hands (hour minute stopwatch seconds) 3 dials (timekeeping 24-hour timekeeping second / stopwatch1/20 second stopwatch minutes) Accuracy: ±20 seconds per month Approx. battery life: 2 years on SR927W Size of case: 50 X 44.2 X 11.6 mm Total weight: 86 g 100-meter water resistance |