Case / bezel material: Stainless steel Stainless Steel Band One-touch 3-fold Clasp Mineral Glass Black ion plated case Black ion plated band Screw Lock Back 100-meter water resistance Retrograde chronograph 1-second stopwatch Measuring capacity: 9'59 Measuring modes: Elapsed time, split time, 1st-2nd place times Date display Regular timekeeping Analog: 3 hands (hour, minute, second), 3 dials (stopwatch minutes, stopwatch seconds, 24-hour) Accuracy: ±20 seconds per month Approx. battery life: 3 years on SR920SW Size of case : 48.5×43.8×12.1mm Total weight : 144g Brand Casio SKU 101026224_NP-1021568061 Dial Size Other Watch Feature Chronograph,Date Strap Material Metal Movement Quartz Watch Case Shape Round Watch's water resistance 100m Model EFV-540DC-1AVUDF