Citizen Men's Eco-Drive Promaster Nighthawk PROMASTER: From Citizen's promaster collection this gents watch features a stealthy black dial with black hands and markers 1/5 second chronograph and 12/24 hour time FEATURES: A 42 mm black Ion plated stainless steel case and bracelet 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