Casio G-Shock GWA1100R Aviation Series Stylish Watch - Orange / One Size Imported Multi-Band Atomic Timekeeping (US, UK, Germany, Japan, China), Tough Solar Power, Shock Resistant, Triple G Resistant Tough Movement, Auto hand home position correction, 200M Water Resistant, Digital Compass Neo-brite Luminous Hands and Markers, World Time, Beeper Alarm, Countdown Timer Full Auto-Calendar (pre-programmed until the year 2099), Day/Date Display, 12/24 Hour Formats, Accuracy: +/- 15 seconds per month (with no signal calibration) Storage Battery: Solar Rechargeable Battery, Power Saving Function, Approx. Battery Life: 6 months on full charge (without further exposure to light), Module: 5311, Size of case/total weight: 48.4 x 53.8 x 17.3mm / 93g