Casio EFR539DE-2AV

A large standard chronograph. The three-dimensional bezel, and strong in-dial design and coloring create a powerful design.

Case size (L× W× H):54.1 × 49.5 × 11.7 mm
Weight:184 g
Case and bezel material:Stainless steel / Aluminum
Band:Stainless Steel Band,One-touch 3-fold Clasp
Water resistance:100-meter water resistance
Power supply and battery life:Approx. battery life: 2 years on SR920SW

Glass:Mineral Glass
Back plate:Screw Lock Back
Surface treatment:Blue ion plated bezel
Compatible band size:150 to 205 mm

Stopwatch:1/10-second stopwatch
Measuring capacity: 59.9\u0027\u0027
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