Clean lines and high style are the norm with G-Shock's? GMA-S120MF-2ACR.200M water resistant. Magnetic resistant protection.Auto LED lighting with afterglow.World time.29 time zones (48 cities + UTC).City code display, daylight saving on/off.5 daily alarms (4 one-time alarms and 1 snooze alarm).Hourly time signal.1/1000 second stopwatch.Measuring capacity: 99:59'59.999Other measurement codes: Speed (0-1998 units/hour) Selection distance input (0.0-99.9)Countdown Timer:? Measuring Unit: 1 second? Countdown Range: 24 hours? Countdown start time setting range: 1 minute to 24 hours (1-minute increments and 1-hour increments)12/24 hour formats.Button tone on/off.Accuracy: +/- 15 seconds per month.Battery: CR1220 (3-year battery life).Imported.Measurements: Case Height: 47 mm Case Width: 50 mm Case Depth: 18 mm Band Width: 25 mm Band Circumference/Length: 9 in Weight: 1 lb 4 oz