Citizen Men's Eco-Drive Radio Conrolled watch SUPERIOR ACCURACY: Radio Controlled technology synchronises every night with the nearest atomic clock so you always have the correct time available Also featuring a Perpetual Calendar so you will always have the correct date FEATURES: A 42 mm Black Ion plated Case and bracelet World Time in 5 Cities Alarm Chronograph and Sapphire Glass LIGHT POWERED ECO-DRIVE: Converts any light whether natural or artificial into energy. Energy is stored in a permanently rechargeable power cell. The watch recharges continuously in any light to run forever with no battery changes required WATER RESISTANT TO 200 M: This Citizen watch is water resistant to 200 meters In general suitable for professional marine activity and serious surface water sports but not scuba diving UK APPROVED SUPPLIER: Comes With a 5-year Citizen UK warranty