Powered by Bulova’s proprietary Precisionist eight-hand quartz chronograph movement with a 262kHz vibrational frequency—eight times greater than standard timepieces—for unparalleled accuracy. Stainless steel and gray IP screw-back case with screw-down crown, black carbon fiber chronograph dial with date feature, curved mineral crystal, stainless steel bracelet with fold-over buckle closure, safety bar and extender, and 300-meter water resistance. FEATURES MODEL 98B316 9/24/2018 MOVEMENT NN50 TECHNOLOGY HPQ Precisionist A movement featuring a 3-pronged quartz crystal with a frequency of 262 kHz that is 8 times greater than standard quartz, leading to an accuracy of seconds a year. CASE WIDTH (MM) 46.5 LUG WIDTH (MM) 24 DIAL Black Silver-Tone Luminous Hands and Markers STRAP TYPE Bracelet Stainless Steel CASE MATERIAL Two-Tone Stainless Steel CLASP Safety Fold Over Clasp with Push Buttons CRYSTAL Curved Mineral Crystal WATER-RESISTANCE 0300M ADDITIONAL FUNCTIONS 1/1000 Second Chronograph Calendar HPQ Precisionist