CCCP Men's CP-7026-06 Sputnik-2 Analog Display Automatic Self Wind Brown Watch Inspired by the monumental Soviet satellite, the Sputnik 2 collection strives to capture the spirit of awe and inspiration of the space race Russian automatic self-winding movement never requires battery Automatic-self-wind movement Case Diameter: 43mm Water resistant to 165 feet (50 M): suitable for swimming and showering