EDIFICE Standard Chronograph EFV-640DC-3AVUDF

Power supply and battery life
Approx. battery life: 2 years on SR920SW
Glass
Mineral Glass
Surface treatment
Gray ion plated case
Gray ion plated band
Compatible band size
150 to 205 mm
Stopwatch
1/10-second stopwatch Measuring capacity: 59'59.9'' Measuring modes: Elapsed time, split time, 1st-2nd place times
Accuracy
Accuracy: ±20 seconds per month
Other features
Regular timekeeping: Analog: 3 hands (hour, minute, second), 3 dials (stopwatch 1/10 seconds, stopwatch minutes, stopwatch seconds)
Date display
Case size (L× W× H)
47 × 44.3 × 10.8 mm
Weight
136 g

Band color - Green

Band Type - Steel

Movement Type - Japanese Quartz