Citizen Gents Black, Gun Metal / Gray, Stainless Steel Bracelet Day & Date, 100m 10ATM Water Resistant Eco-Drive Watch - Bring sophistication to your day with the new CITIZEN® Calendrier Moonphase. This timeless watch features analogue month/day/date, and is shown in a black ion plated stainless steel case and bracelet with black dial. Featuring our Eco-Drive technology – powered by light, any light. Never needs a battery.