Omega, Speedmaster Professional, Moonwatch, chronograph, "CRS Case", ca 1983.
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Case size: 42 mm
Material: steel
Movement: manual, caliber 861
Year: circa 1983
Crystal: plastic crystal
Bracelet: original bracelet, folding clasp, ref. 1171/1-633
Reference number: ST 145.0022
Serial number: 44'123'374
Case number: 145.022 (C.R.S.)
Wear due to age and use.
A simple function check indicated the movement runs; accuracy, power reserve and long-term performance have not been tested and servicing may be required at the buyer’s expense. Water resistance cannot be guaranteed and should be checked by a qualified watchmaker before any exposure to water. No right of withdrawal applies to live auction purchases.
More information
The Omega Speedmaster was first introduced in 1957 as a professional chronograph designed for timing motorsport. Its history took a legendary turn in 1969, when it became the first watch worn on the Moon during the Apollo 11 mission. Early Speedmasters were powered by the revered caliber 321, later replaced in 1968 by the caliber 861, which continued into the 1990s. During the 80s, case production was entrusted to the Swiss manufacturer C.R.S. (Charles-Rodolphe Spillmann & Cie).