Bulova Watch Lunar Pilot Chronograph 98A186. Special Edition Lunar Pilot Chronograph Watch from the Archive Series Six hand chronograph movement features proprietary high performance quartz technology with 262 kHz vibrational frequency for precise accuracy. In stainless steel with matte black IP finish, black dial with white accents, anti reflective curved sapphire crystal, black leather NATO style strap with three-piece buckle closure, and water resistance to 100 meters.