From the Icon Collection with precise timing to 1/1000th of a second and continuous-sweep second hand, the chronograph is particularly refined. In stainless steel with gunmetal grey ion-plated finish, black multi-level carbon fiber dial, luminous hour and minute hands, luminous markers, calendar, screw-back case, screw-down crown, and double-press fold-over clasp with safety lock. Powered by Bulovas proprietary three-prong quartz crystal Precisionist movement with a 262kHz vibrational frequency--eight times greater than standard quartz watches--for unparalleled accuracy.