Powered by Bulova's proprietary, high-performance UHF quartz movement, with a vibrational frequency of 262kHz-eight times greater than a standard quartz movement for unparalleled accuracyStainless steel with silver-tone finish and black dial, flat mineral glass, three hand calendar, screw-back caseQuartz MovementCase Diameter: 43mmWater Resistant To 100m (330ft): In General, Suitable for Swimming and Snorkeling, but not DivingProduct DescriptionBe punctual in style with this sleek timepiece from Bulova's Precisionist Collection. The watches in the Precisionist line use super-high frequency to keep time accurately to within a few seconds per year. This three-prong quartz crystal Precisionist movement uses a 262 kHz vibrational frequency, which is eight times greater than those used in standard timepieces. The black dial on this watch features the Precisionist line's hallmark: the continuously sweeping second hand, as well as luminous hands and a date window. Also featured is a screw-back case, flat mineral glass, and a water resistance of 100 meters.