The Precisionist collection masterfully combines unparalleled accuracy to seconds per year, continuous-sweep second hand and intricate details for timeless style In stainless steel with silver-tone finish and black dial, flat mineral glass, three hand calendar, screw-back case, and double-press deployment closure. 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.