WWI SPECIAL EDITION HACK WATCH 96A246 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 stainless steel case with an ivory dial and luminescent hands and markers also features a center track on the dial displaying 24H time. Black leather NATO strap. Domed mineral crystal. Water resistance to 30 meters. Technical Specs CASE MATERIAL: Stainless Steel CASE DIAMETER (MM):38 CASE THICKNESS (MM):13.55 LUG WIDTH (MM):18 FUNCTIONS:3 Hand, Automatic, Hack Feature MOVEMENT TECHNOLOGY: Mechanical CRYSTAL: Double Domed Mineral Crystal DIAL FEATURE: BLACK ,Luminous Hands and Markers WATER RESISTANCE:0030M MOVEMENT: 82S0