Inspired by Bulova’s military heritage and vintage watches of the time, the Hack Watch infuses historical elements for a contemporary lifestyle. The updated style features a three-hand 21-jewel automatic movement with a 42 hour power reserve. The gray stainless steel case with a black dial and luminescent hands and markers also features a red center track on the dial displaying 24H time. Green leather NATO strap. Domed mineral crystal. Water resistance to 30 meters. Number of Batteries: 1 Features: Quick Ship Battery Type: Silver Oxide Jewelry Closure: Buckle Power Source: Battery (included) Watch Movement: Quartz Water Resistance: 30m Band Color: Green Dial Color: Black Metal Color: Gray Case Thickness: 13.4mm Case Width: 38mm Band Content: Leather Case Materials: 100% Stainless Steel Band Width: 18mm 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.