The Casio GW-M5610U-1ER G-Shock watch combines a 43mm resin case and black resin strap with a traditional buckle. It has a black digital dial which is protected beneath mineral crystal glass. Power is generated by the solar powered movement. This model is also radio controlled for more accurate timekeeping and has a water resistance of up to 200 metres. Accuracy +/- 15 seconds per month Alarm function Radio controlled timekeeping Multi-Band 6: Automatic Atomic Time updates are received overnight for exceptional accuracy (UK/ EU/ USA/ Japan/ China: home city must be set manually) Resin band Synthetic resin is the ideal material for wrist straps thanks to its extremely durable and flexible properties. Shock-resistant Shock-resistant construction protects against impact and vibration. Stopwatch function World time function Displays the current time in major cities and specific areas around the world. - Total Weight 51.7 grams - Case Depth 12.7mm - Case Width 43.2mm - Watch Movement Solar powered - Water Resistance 200 metres