Bulova Curv Chronograph Quartz 98A232 Mens WatchBulova Curv Chronograph Quartz 98A232 Men's Watch A refined, contoured simplicity that exactly follows the wrist! The first chronograph watch in the history of watchmaking to feature a curved movement, the Bulova Curve is a ground breaking piece of artful engineering a marvel of technical aesthetics in a sleek, ergonomic form. The quartz crystal of the movement has a vibrational frequency of 262 kHz resulting in its high level of timekeeping accuracy.