CASIO , EDIFICE , EF-324 , EF-324L , EF-324L-1 , EF-324L-1A , EF-324L-1AV , EF-324L-7 , EF-324L-7A , EF-324L-7AV

Accuracy: ±20 seconds per month

Approx. battery life
3 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-324L ...... 44.8 X 40.6 X 10.4 mm / 68 g