Casio Edifice Chronograph 100M EF-539D-7AV
1-second stopwatch
Measuring capacity: 11:59'59
Measuring mode: Elapsed time
Accuracy: ±20 seconds per month
Approx. battery life
2 years on SR927W
Date display
Regular timekeeping
Analog: 3 hands (timekeeping hour and minutes, stopwatch seconds), 3 dials (timekeeping seconds, stopwatch hours and minutes)
Size of case / total weight
EF-539D ...... 53.5 X 48.5 X 11.5 mm / 198 g