This Casio Wave Ceptor watch utilises Multi Band 5 radio controlled technology and World Time to drive seamless global time synchronisation. The watch is housed in a stainless steel and resin mix case for optimum durability and is framed by scratch resistant mineral glass. This sporty watch is perfect for outdoor and everyday styling. Alarm function Countdown timer LED light Radio signal reception (EU, USA, Japan, China) Europe, North America, Japan, Canada, Central America and China - once the watch has been set to the local time, it receives the relevant signal and shows the correct time wherever you are. In many countries, it also sets itself automatically to summer and winter time. Stopwatch function World time function Displays the current time in major cities and specific areas around the world. - Case Depth 11mm - Case Width 45mm - Watch Movement Quartz - Water Resistance 50 metres