Gold ion plated band Mineral Glass Screw Lock Back 100-meter water resistance Case / bezel material: Stainless steel Stainless Steel Band One-touch 3-fold Clasp 1/10-second stopwatch Measuring capacity: 59'59.9'' Measuring modes: Elapsed time, split time,

Gold ion plated band Mineral Glass Screw Lock Back 100-meter water resistance Case / bezel material: Stainless steel Stainless Steel Band One-touch 3-fold Clasp 1/10-second stopwatch Measuring capacity: 59'59.9'' Measuring modes: Elapsed time, split time, 1st-2nd place times Date display Regular timekeeping Analog: 3 hands (hour, minute, second), 3 dials (stopwatch 1/10 seconds, stopwatch minutes, stopwatch seconds) Accuracy: ±20 seconds per month Approx. battery life: 2 years on SR920SW Size of case: 54.1 × 49.5 × 11.7 mm Total weight: 185 g Model EFR-539SG-7AVUDF Name Casio Edifice Chronograph Mens Watch EFR-539SG-7AV EFR539SG Brand Casio Movement Quartz Glass type Scratch resistance mineral glass Gender Male Type Sports Watch Features Date, Stopwatch, Chronograph Water resistance 100 meters (10 bar)