BULOVA CURV COLLECTION: From the new CURV Collection. The worldÕs first curved chronograph movement features high- performance quartz technology with 262 kHz vibrational frequency for precise accuracy. Five-hand chronograph in stainless steel case, blue dial with red accents, curved sapphire glass, screw-back case, stainless steel bracelet with double-press deployment clasp, and water resistance to 30 meters.