Lange L903
Lange L903.0
© Lange Uhren GmbH
The L903.0 is a calibre by A. Lange & Söhne.
Manual winding manufacture movement with minute tourbillon (with fusée-and-chain transmission), chronograph with rattrapante function.
Used in the model A. Lange & Söhne Tourbograph "Pour le Mérite".
Description:
- Manual winding movement
- Chronograph bridge engraved by hand
- Shock-resistant Glucydur screw balance
Functions:
- Hours, minutes
- Minute tourbillon with fusée-and-chain transmission
- Chronograph with rattrapante function
Data:
- Ø 30.0 mm, height 8.9 mm
- 21,600 A/h
- Number of components 465 (without chain), including bogie 84
- Power reserve 36 h
Production period:
- From 2005