Bulova made space history on August 2, 1971--during the Apollo 15 mission, a moon pilot chronograph, customized for lunar conditions by Bulova engineers, was worn on the moon. Now Bulova makes history again with the special edition Lunar Pilot Chronograph, updated with our exclusive high-performance quartz movement with a frequency of 262 kHz for unparalleled accuracy, continuing a history of precision timing. In stainless steel screw-back case in silver-tone finish and black dial and sapphire glass.