Usage Conditions May Apply Usage Conditions Apply There are restrictions for re-using this media. For more information, visit the Smithsonian's Terms of Use page. IIIF provides researchers rich metadata and image viewing options for comparison of works across cultural heritage collections. More - https://iiif.si.edu View Manifest View in Mirador Viewer Usage Conditions May Apply Usage Conditions Apply There are restrictions for re-using this media. For more information, visit the Smithsonian's Terms of Use page. IIIF provides researchers rich metadata and image viewing options for comparison of works across cultural heritage collections. More - https://iiif.si.edu View Manifest View in Mirador Viewer Usage Conditions May Apply Usage Conditions Apply There are restrictions for re-using this media. For more information, visit the Smithsonian's Terms of Use page. IIIF provides researchers rich metadata and image viewing options for comparison of works across cultural heritage collections. More - https://iiif.si.edu View Manifest View in Mirador Viewer Usage Conditions May Apply Usage Conditions Apply There are restrictions for re-using this media. For more information, visit the Smithsonian's Terms of Use page. IIIF provides researchers rich metadata and image viewing options for comparison of works across cultural heritage collections. More - https://iiif.si.edu View Manifest View in Mirador Viewer Usage Conditions May Apply Usage Conditions Apply There are restrictions for re-using this media. For more information, visit the Smithsonian's Terms of Use page. IIIF provides researchers rich metadata and image viewing options for comparison of works across cultural heritage collections. More - https://iiif.si.edu View Manifest View in Mirador Viewer

NASA issued this Omega Speedmaster chronograph to astronaut Al Worden for use during the Apollo 15 mission of July/August 1971.

Selected after a series of rigorous tests demonstrated its high level of precision and reliability, the Speedmaster chronograph was chosen by NASA for the U.S. space program in 1964. Program requirements called for a manual-winding wrist chronograph that was water-proof, shock-proof, anti-magnetic, able to withstand temperatures ranging from 0 to 200 degrees Farenheit, and accelerations of up to 12 g's. NASA first certified the Omega Speedmaster as the chronograph for the Gemini program and made successive purchases for both the Apollo and the Skylab/ASTP missions.

NASA transferred Worden'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 Astronaut Alfred Merrill Worden
 Manufacturer Omega Watch Co.
 Dimensions 3-D: 5.1 x 3.8 x 1.3cm (2 x 1 1/2 x 1/2 in.)
 Materials Case: Stainless steel
Lens: Hesalite (synthetic crystal)
Interior mechanism: Brass, stainless steel, jewels
 Inventory Number A19771158000 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.