1328 [Used] OMEGA Omega 3570.50 Speedmaster Moonwatch Professional SS Manual Winding The Speedmaster is the only wristwatch that continued to function throughout various tests designed for use in outer space, including high pressure, vacuum, zero gravity, shock, and temperature changes from -18 degrees to +93 degrees Celsius. It accompanied the first humans to land on the moon in 1969 and saved the crew of Apollo 13 from an oxygen explosion in 1970, establishing its status as the "Moonwatch." It can withstand any environment and is equipped with a manual winding movement to function even in zero gravity. The crystal is made of reinforced plastic. Its sporty yet elegant design, combined with its adventurous legend, has made it overwhelmingly popular across generations. Product Information Brand: OMEGA Omega Model Number: 3570.50 Product Name: Speedmaster Professional Material: SS Movement: Manual Winding Size: Case size approx. 42mm, Bracelet inner circumference approx. 19.5cm Condition: Minor scratches Accessories: Box, Guarantee (2003) Rank: Used A