From the Precisionist Collection. Champlain in grey IP stainless steel with rose gold-tone accents on case and bracelet, 11 diamonds set on two-tone black/grey dial with calendar, curved mineral glass, screw-back case, fold-over buckle with safety lock and extender, and 300 meters water resistance. Uses Bulova's three-prong quartz crystal Precisionist movement with a 262kHz vibrational frequency-8 times greater than standard watches-for unparalleled accuracy. Diameter: 46.5mm Thickness: 14.3mm