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Set wrist size →The watch worn on the Moon. The Speedmaster Professional has been NASA's watch of choice since 1965. Manual-wind Cal. 3861, Master Chronometer certified, with black dial and aluminum tachymeter bezel.
Complications
chronographtachymeter
Reference310.30.42.50.01.001
Year Introduced2021
Case Diameter42 mm
Case ShapeRound
Case Thickness13.2 mm
Lug Width21 mm
Lug to Lug47 mm
MovementManual
Made InSwitzerland
CaliberCal. 3861
Power Reserve50 hours
Frequency21,600 vph
Jewels18
Water Resistance50 m
Crystalsapphire
Case Materialstainless steel
Dial Colorblack
Braceletstainless steel
Retail Price$6,300
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