Lange L1902
Lange L1902
© Lange Uhren GmbH
The Lange L1902 is a hand-wound movement with large and small chimes, minute repeater, rattrapante chronograph function and perpetual calendar from A. Lange & Söhne.
It is used in the Grand Complication model. Only a total of six examples of this watch and movement were produced as of 2013, one in each year.
Description:
- Rattrapante chronograph with column-wheel control
- NIVAROX-1 flat hairspring from in-house production
- Three barrels (time, chime, chronograph)
- Shock protection
- Balance cock engraved by hand
- Edges im movement chamfered and polished
Functions:
- Hours, minutes, small seconds with hacking seconds
- Chronograph seconds, 30-minutes counter, rattrapante hands
- Perpetual calendar with date, day of week, month, leap year, moon phase indication
- Repetition with Petite and Grand Sonnerie
Data:
- ∅ 40.5 mm; H 14.2 mm
- 18,000 A/h
- 876 components
- Power reserve 30 h