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Omega Speedmaster*** 3572.50 Open Back*** 1997
OMEGA Speedmaster 3572.50 Sapphire Back, Tritium Dial, 1997
Serial: 48356773
Circa: 1997
Reference No.: 3572.50

CASE: 42mm Stainless Steel, Sapphire Display Caseback, lyre lug moonwatch case, acrylic crystal, black tachymeter bezel

DIAL: Black matte dial with three chronograph registers, tritium hour markers

MOVEMENT: Caliber 1863, hand wound mechanical chronograph, Decorated & Rhodium Plated, 18 jewels

BRACELET: Original Omega stainless steel bracelet 1499/842

CONDITION REPORT: The dial is in mint condition and its tritium markers have aged nicely with a cream color patina.

NOTES: According to the Omega Museum, the present watch was produced on April 18, 1997 and delivered to Vietnam.

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 and lated became known as the Moonwatch.

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