Lemania Yachting / Regatta, Cal.5100 (Omega 1045)

Rare Lemania Yachting chronograph
Automatic winding movement Lemania 5100
Case size without crown 39mm
Rotating bezel

History:
Lemania was a Swiss watch manufacturer and manufacturer of watch movements.
Lemania produced movements for Omega, including for the Speedmaster that Buzz Aldrin wore on the moon
Lemania 5100 and 5012 movements was officially issued to pilots by the NASA and NATO and was specifically designed to withstand more than 7g without losing time.
The Lemania 5100 and 5012 movements was then used in numerous well know brand such as Heuer, Omega, Sinn, Orfina, Tutima, Fortis and Eberhard watches to name a few.
Lemania separated from the SSIH Group in 1981 and changed its name to Nouvelle Lemania. In 1992 the Nouvelle Lemania was bought by Breguet. The Lemania calibers are still used today in watches of numerous well-known brands.