Bring sophistication to your day with the new citizen calendrier moonphase, powered by any light with eco-drive. This timeless watch features analog month/day/date. Men's watch featured with 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. Caliber number 8730. Features: Water Resistant, Date Function, Quick Ship Battery Type: Lithium Cells Power Source: Ecodrive Watch Movement: Quartz Water Resistance: 100m Band Color: Gray Dial Color: Black Metal Color: Gray Case Thickness: 13mm Case Width: 44mm Watch Band Length: 8 Inch Band Content: Stainless Steel Case Materials: 100% Stainless Steel Band Width: 21mm Care: Wipe Clean Country of Origin: Imported Quick Ship items ship directly from the manufacturer within 3 to 5 business days. Photos are enlarged to show detail.