Lemania 5100
From Chronopedia
Lemania 5100 Movement
Brands that have used the Lemania 5100 include Omega (which calls it Caliber 1045), Sinn, Fortis, Tutima, Porsche Design, and Alain Silberstein. Lemania also created its own chronograph watches in the past that contained this movement. Fortis, Sinn and Tutima used the Lemania 5100 as it was the only one at the time meeting military requirements for chronograph watches.
