SIGNED OMEGA, SPEEDMASTER PROFESSIONAL, APOLLO 15 40TH ANNIVERSARY MODEL, NO. 1603/1971, REF. 311.30.42.30.01.003, CASE NO. 77'765'292, CIRCA 2011

The present watch is part of a limited edition of 1971 examples introduced in 2011 to commemorate the Apollo 15 mission in 1971. It was the first mission to use a Lunar Roving Vehicle. The case back is therefore engraved with a Lunar Lander in recognition of this feat.