Sporty chronograph with large dial. The two-tone bezel, similar to ion-plated stainless steel coated with separate parts, creates an overall very dynamic design.
Case dimensions (H x W x D)
53.5 × 48.5 × 11.5 mm
Weight
198 g
Case and bezel material
stainless steel
Strap
1-push, 3-fold double clasp
Stainless steel strap< /div>Resistant strap
Water resistance
Waterproof up to 10 bar
Power and battery life
Approximate battery life battery: 2 years with SR927W
Glass
Mineral glass
Back plate
Back with screw closure
Bezel Features
Tachometer
Surface Treatment
Partial Ion Plating
Chronometer
Chronometer 1 second
Measuring capacity: 11:59’59
Measurement mode: Elapsed time
Accuracy
Accuracy: ±20 seconds per month
Other features
Regular timekeeping:
Analog: 3 hands (hours, minutes, stopwatch seconds), 3 dials (timekeeping seconds, stopwatch hours, stopwatch minutes)
Date display
EF-539D-1AV
Case dimensions (H x W x D)
53.5 × 48.5 × 11.5 mm
Weight
198 g
Case and bezel material
stainless steel
Strap
1-push, 3-fold double clasp
Stainless steel strap< /div>Resistant strap
Water resistance
Waterproof up to 10 bar
Power and battery life
Approximate battery life battery: 2 years with SR927W
Glass
Mineral glass
Back plate
Back with screw closure
Bezel Features
Tachometer
Surface Treatment
Partial Ion Plating
Chronometer
Chronometer 1 second
Measuring capacity: 11:59’59
Measurement mode: Elapsed time
Accuracy
Accuracy: ±20 seconds per month
Other features
Regular timekeeping:
Analog: 3 hands (hours, minutes, stopwatch seconds), 3 dials (timekeeping seconds, stopwatch hours, stopwatch minutes)
Date display
EF-539D-1AV