The movement in the Type XX is the AS 5008
(pictures of the watch and movement pending);
the movement in the Classique alarm, ref. 3600, is the Lemania SL-980.
(pictures of the watch and movement pending);
The movement in the new Reveil Du Tsar is a new movement developed by watchmakers from both Lemania and Piguet, but mostly produced in the Piguet facilities. (see interview with Mr. Hayek, May 2003)
(pictures of the watch and movement pending)