Movement

Lemania 2310

A manual-wind chronograph calibre from 1942 that became the base for Omega's 321 and for chronographs from Patek Philippe and Vacheron Constantin.

Introduced
1942

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2 directions from here

  1. Found insideRef. 3970Patek's perpetual chronograph, built on this base.Reference
  2. ComplicationChronographA textbook column-wheel chronograph.Complication

Films on Lemania 2310