Valjoux 7730: History, Repair, and Collecting Guide - Vidéos industrielles CGM-LASER

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Questions fréquentes

Valjoux 7730 Frequently Asked Questions

What watches use the Valjoux 7730 movement?

The Valjoux 7730 was used in several vintage watches including the 1969 Stowa "Big Eyes" and some Ollech & Wejs models. It was a popular chronograph movement in the late 1960s and early 1970s.

Why might my Valjoux 7730 chronograph stop working?

Common issues include dried lubrication, worn gears, or impact damage. These movements are over 50 years old and often require professional servicing to maintain accurate timekeeping and chronograph function.

How can I maintain a watch with Valjoux 7730 movement?

Regular servicing every 3-5 years by a qualified watchmaker is recommended. Avoid exposing the watch to strong magnetic fields or water, and wind the movement gently if it's a manual-wind version.