Lange L045

Lange L045.1 is a caliber by A. Lange & Söhne.

Based on the Lange L941.1 developed manual winding manufacture movement. A hand running along the outer rim of the dial shows the week of the year (1-52/53), a small hand at 6 shows the day of the week and the small seconds.

The movement bears the inscription “Andreas Huber Munich 1856-2006”.

Used in the 1815 Kalenderwoche model.

Description:

Manufacture manual winding movement
Glucydur screw balance, Nivarox 1 balance spring with swan's neck fine regulation
Patented beat adjustment mechanism
Glashütter three-quarter plate
Plates and bridges in untreated nickel silver
Balance cock engraved by hand

Functions:

Hours, minutes
Small seconds with hacking seconds
Central indication of the week of the year

Data:

∅ 38,5 mm, height: 6,05 mm
29 jewels, including 4 in screwed gold chatons
21,600 A/h
231 components
Power reserve 45 hours

Production period:

2006