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This chronograph was worn by astronaut Vance Brand during the Apollo-Soyuz Test Mission (ASTP) in July 1975.

The Omega Speedmaster Chronograph was chosen by NASA for the U.S. space program after a series of rigorous tests demonstrated its high level of precision and reliability. Program requirements called for a manual-winding wrist chronograph that was water-proof, shock-proof, anti-magnetic, and able to withstand temperatures ranging from 0 to 200 degrees farenheit and accelerations of 12 g's. The Omega Speedmaster was certified by NASA as the chronograph for the Gemini program in June 1965, and successive purchases were made for both the Apollo and the Skylab/ASTP missions.

NASA transferred Brand's chronograph to the Museum in 1977.

 Display Status

This object is not on display at the National Air and Space Museum. It is either on loan or in storage.
Object Details
Country of Origin Switzerland Type PERSONAL EQUIPMENT-Accessories Manufacturer Omega Watch Co.
 Astronaut Vance D. Brand
 Dimensions 3-D: 4.3 x 4.8 x 1.3cm (1 11/16 x 1 7/8 x 1/2 in.)
 Materials Case: Stainless steel
Lens: Hesalite (synthetic crystal)
Interior mechanism: Brass, stainless steel, jewels
 Inventory Number A19771154000 Credit Line Transferred from the National Aeronautics and Space Administration Data Source National Air and Space Museum Restrictions & Rights Usage conditions apply
For more information, visit the Smithsonians Terms of Use.