140th Anniversary Commemorative Edition Watch. From the Precisionist Collection with precise timing to 1/1000th of a second and continuous-sweep second hand, the Precisionist Chronograph is particularly refined. This Precisionist chronograph has a stainless steel case, black dial, accents of iconic Accutron green, mineral glass, stainless steel bracelet. Powered by Bulova's exclusive high performance quartz movement with a frequency of 262 kHz for unparalleled accuracy.