Bulova Watch Gents Precisionist 98B152. Most quartz watches are accurate to 15 seconds a month, Bulova Precisionist is accurate to 10 seconds a year. The key is Precisionist's unique three-prong crystal, which produces a vibration frequency of 262.144 kilohertz (kHz), eight times greater than the usual two-prong crystal and the highest of any watch available today.