Lange L101

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.

Description: Manual winding rattrapante chronograph movement with perpetual calendar 631 components Functions: 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 Data: D 32.6 mm, H 9.1 mm 43 jewels 21,600 A/h Power reserve: 42 hours Production period: 2013-present