EF-522D-1A

EF-522D-7A

		1-second stopwatch
		Measuring capacity: 29'59 Measuring mode: Elapsed time
		Accuracy: ±20 seconds per month
		Approx. battery life
		2 years on SR621SW
		Regular timekeeping
		Analog: 3 hands (timekeeping hour and minutes, seconds), 3 dials (stopwatch minutes and seconds, timekeeping 24-hour)
		Size of case / total weight
		EF-522D ...... 46.0 x 40.2 x 11.3 mm / 136 g