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lange_l034

Lange L034

Lange L034.1
© Lange Uhren GmbH

Lange L034.1 is a caliber by A. Lange & Söhne.

Hand-wound manufacture movement with small seconds, big date and power reserve indicator.

World's first mechanical caliber with a power reserve of 31 days and a constant-force escapement. The two mainsprings located in the double barrel are five to ten times longer than conventional mechanical wristwatch movements, each measuring 1,850 millimeters.

Used in the A. Lange & Söhne Lange 31 model.

Description:

Functions:

Data:

  • Ø 37.3 mm, height 9.6 mm
  • 61 jewels, including 3 in screwed gold chatons
  • 21,600 A/h
  • Number of components 406
  • Power reserve 31 days

Production period:

lange_l034.txt · Last modified: 04.03.2022 15:55 by gerdlothar

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