Ernest Borel Valjoux 23 Movement

Resurrection of a dead chronograph movement

This post pertains to a Valjoux 23 chronograph movement which was received in the same freezer bag from China as the Universal Genève Uni-Compax I recently serviced. The bag contained multiple chronograph movements which were all in bad shape. I actually received two Valjoux 23 movements, but this one had a working balance and Incabloc shock protection thus making it the better candidate for restoration. Continue reading “Ernest Borel Valjoux 23 Movement”

Favre Leuba Chronograph

Service of a Valjoux 71 Chronograph

As I was flipping through a price guide published for watch collectors I halted on a picture of a timepiece with a very interesting complication. The watch in question was produced by Favre Leuba in the early 1960’s and in addition to the standard mechanical movement it also housed an aneroid barometer for the purpose of determining altitude. The watch is known as the Bivouac and is quite rare and prized by collectors. Continue reading “Favre Leuba Chronograph”