Legendary chronograph movement based on Lemania 2310, used in the original Speedmaster and the first watch worn on the Moon (Apollo 11, 1969). Features elegant column wheel chronograph design. Production ended in 1968 but was revived in 2019 as a faithful recreation. Known for its historical significance and highly regarded finishing.
Movement Type
Manual Wind
Jewel Count
17 jewels
Power Reserve
44h
Frequency
18,000 vph (5 Hz)
Diameter
27mm
Height
6.74mm
Display Type
Analog
Shock Protection
Incabloc
BRAND
OMEGATYPE
Manual WindSTATUS
DiscontinuedMANUFACTURE
ÉbaucheLAUNCH YEAR
1957CALIBER FAMILY
321COUNTRY
SwitzerlandALSO KNOWN AS