Omega Speedmaster*** 3570.50 Tritium*** 1991
OMEGA Speedmaster Moonwatch, ST 345.0022 (Ref. 3570.50) Tritium Dial, Circa 1991
Serial: 48278379
Circa: 1991
Reference No.: 145.022
CASE: 42mm Stainless Steel, lyre lug moonwatch case, acrylic crystal, black tachymeter bezel
DIAL: Black matte dial with three chronograph registers, tritium hour markers
MOVEMENT: Caliber 861, hand wound mechanical chronograph, 17 jewels
BRACELET: Original Omega stainless steel bracelet Ref 1479/812
CONDITION REPORT: All original and good condition. This watch retains its original tritium dial and hands as well as correct bezel.
NOTES:
The Omega Speedmaster Professional Chronograph, also known as the "Moonwatch", is famous for being the watch worn by astronauts during the first Moon landing.
NASA’s harsh and intense qualification tests leading up to the Apollo 11 mission examined several watches from Switzerland’s top manufacturers such as Breitling, Rolex and Omega; the testing was concluded in March 1965 with the final selection awarded to the Omega Speedmaster, because it stood apart from the rest as it continuously kept within 5 seconds accuracy in its per day rate. As a result, it became the official watch of the U.S. space program.
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