Citizen Gents Silver Tone, Titanium Sapphire Crystal, 100m 10ATM Water Resistant, 24 Hour Dial Eco-Drive Watch - Take things up a notch with this Super Titanium CITIZEN® timepiece. Some features of this watch include a chronograph, perpetual calendar, and power reserve indicator. The Super Titanium bracelet is offset by a green dial with red accents for a sleek, sophisticated look. Featuring our Eco-Drive technology - powered by light, any light. Never needs a battery.