Citizen Men's AT2210-01H Drive from Citizen Eco-Drive MFD 3.0 Chronograph Watch Citizen Eco-Drive is fueled by light, any light, so it never needs a battery Silver tone stainless steel with green accents 60 minute chronograph Drive "D" logo on crown. 12/24 hour time Water resistant to 99 feet (30 M): withstands rain and splashes of water, but not showering or submersion