Casio Watch: Casio GW6900-1 men's G-Shock multi-band atomic timekeeping digital watch features a 50mm by 18mm thick stainless steel case, black resin band that fits up to an 8 1/2 wrist with a steel buckle, black digital dial display, shock resistant, tough solar power, water resistant up to 200 meters. This superb watch also comes with multi-band atomic timekeeping (US, UK, Germany, Japan). Receives time calibration radio signals which keep the displayed time accurate. Auto receive function (6 times per day). Manual receive function Signal: US WWVB, UK MSF, Germany DCF77, Japan JJY40/JJY60, China BPC, Frequency: US 60kHz, UK 60kHz, Germany 77.5kHz, Japan 40/60kHz, China BPC 68.5kHz . Full auto EL Backlight with Afterglow. World Time in 31 times zones (48 cities + UTC), city code display, daylight saving on/off. 4 daily alarms and 1 snooze, countdown timer, measuring unit: 1 second, 1/100 second stopwatch, measuring capacity: 23:59'59.99 , measuring modes: elapsed time, split time, 1st-2nd place times, hourly time signal, auto calendar (pre-programmed until the year 2099), 12/24 hour Formats, accuracy: ??15 seconds per month (with no signal calibration). Button operation tone on/off. Storage battery: Solar rechargeable battery. Battery Power Indicator, power saving function. Approximate battery life: 10 months on full charge (without further exposure to light). This Casio GW6900-1 is brand new in its original box and comes with warranty and manual.