G-Shock delivers styles for smaller hands with all the swag of their larger counterparts. Shock-resistant case can take plenty of punishment. 100M water resistant. LED backlight. World time: 31 time zones (48 cities + coordinated universal time), city code display, daylight saving on/off. Daily alarm setting. Hourly time signal. 1/100 second stopwatch with 59' 59.99 measuring capacity. Countdown timer: Measuring unit: 1 Second Measuring capacity: 1 hour Auto calendar (pre-programmed until the year 2099). 12/24 hour formats. Button operation tone On/Off. Accuracy: & amp #177 30 seconds per month. SR726W battery x 2. Approximate battery life: 2 years. Measurements: Case Height: 45 mm Case Width: 45 mm Case Depth: 14 mm Band Width: 19 5 9 mm Band Circumference/Length: 8 in Weight: 1.8 oz This product may have a manufacturer' s warranty. Please visit the manufacturer' s website or contact us at for full manufacturer warranty details.