Case size: 42 mm
Material: steel
Movement: manual, caliber 321
Year: circa 1964
Crystal: plastic crystal
Bracelet: original bracelet, folding clasp, ref. 1035/16
Reference number: ST 105.012
Serial number: 20'520'843
Case number: S 105012-63
Accompanied by: box
Chronograph defect.
The movement is running at the time of cataloging. Please note that the movement has not been tested for timekeeping accuracy and may need a service at the buyer's expense. Watches have been opened to examine movements therefore no warranties are made that the watches are water-resistant. Potential buyers should inspect each watch to satisfy themselves as to condition.
For more information, please read our Conditions of Purchase.
Consigned by the family of the original owner
First Speedmaster to land on the moon was the ST105.012. Both Neil Armstrong’s and Buzz Aldrin’s Speedmasters were ST105.012 models.
105.012-63 is the first "Professional" Speedmaster and the first asymmetric case Speedmaster,.
Among referens 105.012, the least common sub-reference is 105.012-63, of which probably fewer than 2,000 were made.