description Omega Speedmaster Moonwatch Professional Overview
The Omega Speedmaster Moonwatch is an icon of horological history, famously worn by astronauts on the Apollo 11 mission. Its robust chronograph functionality and distinctive design have made it a favorite among collectors and enthusiasts worldwide. It represents a blend of heritage, performance, and style.
help Omega Speedmaster Moonwatch Professional FAQ
Why is the Omega Speedmaster called the Moonwatch?
NASA qualified the Speedmaster for crewed spaceflight in 1965, and astronauts wore it during Apollo missions. Buzz Aldrin wore a Speedmaster on the lunar surface during Apollo 11 in July 1969.
What movement is in the modern Speedmaster Moonwatch Professional?
The current Moonwatch Professional uses Omega's Co-Axial Master Chronometer Calibre 3861. Earlier Moonwatch references famously used hand-wound Lemania-based movements such as Calibre 321 and Calibre 861.
What is the difference between Hesalite and sapphire Speedmaster Moonwatch models?
The Hesalite model uses acrylic crystal, closer to the NASA-era look and resistant to shattering. The sapphire version uses scratch-resistant sapphire crystal and usually has a display caseback showing the movement.
What size is the standard Omega Speedmaster Moonwatch Professional?
The classic modern Moonwatch Professional case is 42 mm. It keeps the black tachymeter bezel, three-register chronograph layout, and hand-wound operation associated with the Apollo-era design.
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