Bulova Watch Curve Chronograph 97A160. The Bulova CURV, the worlds first curved chronograph movement features high performance quartz technology with 262 kHz vibrational frequency for precise accuracy. This five hand chronograph is featured in a gold tone stainless steel case, Gold Tone coloured dial with skeleton sub dials, curved sapphire crystal, screw back case, Gold Tone stainless steel bracelet with deployment closure, and water resistant to 30 metres.