Inspired by bulova's military heritage and vintage watches of the time, this men's hack watch infuses historical elements for a contemporary lifestyle and features a black dial with luminous hands and markers in a 38. 0mm grey ion-plated stainless steel case. The 21-jewel automatic movement with a 42-hour power reserve provides reliable service and ensures accurate time keeping. The green leather nato strap secures with a buckle clasp. Water-resistant to 30 meters, this watch comes with a three-year limited manufacturer warranty. We are an authorized bulova dealer.