- • Analog • Chronograph: Chronograph, Column wheel, Rattrapante, Flyback
Hands: Hours, Minutes, Small Seconds
Tourbillon Escapement, Chain & Fusée
Jewels
41
Reserve
36 h
Frequency
21,600 vph (3.0 Hz)
Diameter
30 mm
Height
-
About this caliber
Hand-wound movement introduced in celebration of the 15th anniversary of a. Lange & Söhne, featuring a tourbillon, chain & fusée and a flyback, rattrapante chronograph. The terminal curve of the balance spring is bent according to calculations made by Prof. Strasser of Glashütte. The 'Tourbograph' was originally conceived by Günter Blumlein, who sadly never got to see the final result. It consists of over 1000 individual parts.