The Bulova Moon Watch replicates the original timepiece worn during the Apollo 15 mission in 1971. 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, sapphire glass, and interchangeable black leather and nylon straps with three-piece buckle closure, and water resistance to 50 meters.