Bulova Classic Sport Chronograph Black Dial Sporty quartz-powered chronograph with stainless steel screw-back case with anodized black unidirectional bezel, black six-hand dial with date feature, flat mineral crystal, stainless steel bracelet with fold-over buckle closure, safety bar and extender, and water resistance to 200 meters. Diameter: 42mm Thickness: 11.6mm. Chronograph Black Dial. Sporty quartz-powered chronograph with stainless steel screw-back case with anodized black unidirectional bezel, black six-hand dial with date feature, flat mineral crystal, stainless steel bracelet with fold-over buckle closure, safety bar and extender, and water resistance to 200 meters. Diameter: 42mm Thickness: 11.6mm