Lange L101

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Calibre L101 is a hand-winding rattrapante chronograph watch movement with perpetual calendar from A. Lange & Söhne.

Cal. L101.1 was introduced in 2013 and is used in the A. Lange & Söhne 1815 Rattrapante Perpetual Calendar. It is a rattrapante chronograph movement with two column wheels. Additionally, it has subdial seconds and a perpetual calendar. The movement features 43 jewels and 4 chatons. The Lange in-house balance spring adjusts using screws and operates at 21,600 A/h.


Manual winding rattrapante chronograph movement with perpetual calendar
631 components


center hour and minute hands
subdial seconds
subdial power reserve indicator
subdial perpetual calendar
subdial moon phase indicator
chronograph with split seconds and 30-minute counter


D 32.6 mm, H 9.1 mm
43 jewels
21,600 A/h
Power reserve: 42 hours

Production period: