Chronograph Service Archives

February 28, 2022

2021 BHI Prize award – Best serviced chronograph watch

BHI prize best serviced chronograph

I am very proud to see my name again amongst the prize winners in the official journal of the British Horological Institute. I was awarded the ‘Best Serviced Chronograph Watch’ BHI prize for 2021. With a grade of 99% following the two-day practical exam, I could not be happier

. Your chronograph is in good hands!

For more regular update you can follow me on Instagram

https://www.instagram.com/o.n.atelier/

All the best

Olivier

September 9, 2020

Ollech & Wajs 2002 Valjoux 7730 – Service

Under the loupe today is a very nice vintage Ollech & Wajs 2002 Valjoux 7730. O&W was created in Switzerland in the late 1950’s, and grew in popularity in the 1960’s, especially with servicemen, sportsman, divers and aviators thanks to a strong reputation for quality and dependable mechanical watches. O&W still operate today, see their website Valjoux 7730 Service

Continue reading “Ollech & Wajs 2002 Valjoux 7730 – Service”

January 10, 2018

Waltham Chronograph Valjoux 7733 – Service

On the blog today is a vintage Chronograph by American watch company Waltham. It is powered by a Valjoux 7733. “Valjoux” was a manufacturer named after the “Vallee du Joux” in Switzerland, primarily known for its Ebauche Chronograph movements, and widely used by many manufacturers in the 1970’s. The Valjoux 7733 is a cam type Chronograph (as opposed to Column wheel type), with a horizontal clutch mechanism. It was produced in very large numbers, and over the years has earned itself a well deserved reputation for reliability and robustness.

Waltham Valjoux 7733

Continue reading “Waltham Chronograph Valjoux 7733 – Service”