Lange L021

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Lange L021.1
© Lange

The Lange L021.1 is a calibre by A. Lange & Söhne.

Self-winding manufacture movement with big date.

Used in the model A. Lange & Söhne Lange 1 Daymatic.

Description:

Self-winding movement
Rotor with weight segment in platinum
Balance clock engraved by hand
Shock-resistant Glucydur balance with regulation eccentrics
Fine adjustment system with lateral setscrew and swan's neck spring

Functions:

Hours, minutes
Small seconds with hacking seconds
Big date
Date and day of weeks correction pusher

Data:

Ø 31,6, height: 6.1 mm
67 jewels, including 7 in gold chatons, fixed with blued screws
21,600 A/h
Components: 427
Power reserve 50 h

Production period:

From 2010