Lost and found…

Richard R. Gordon's Speedmaster (Apollo 12, November 1969). This model is similar to the OMEGA watch in question which was lost and found after 32 years.

The first watch ever worn on the moon

Bienne, 23 October 2003 – Having learned of the discovery of the first Speedmaster watch to be worn on the moon, prestige Swiss watchmaker OMEGA is pleased to announce that it is willing to acquire this historically significant timepiece for its museum at the company headquarters in Bienne, Switzerland.

http://www.omegawatches.com/press/press-release-detail/369