Slayton's Omega Speedmaster. An 18 kt. gold commemorative wristwatch with: "Astronaut Donald K. Slayton, to mark man's conquest of space with time, through time, on time" engraved on the back casing. The watch was one of 50 presented to the Astronauts in 1969 by the Omega Watch Company and contains an 18 kt. gross weight of 105.3 dwt. [With:] Typed letter signed from Mrs. Slayton. (2)