Pierhor SA was founded in 1899, making it the oldest jewel-bearing factory still in operation. Since its inception, it has specialised in ruby production for watches, supplying major Swiss watchmaking brands.
Gasser-Ravussin SA was founded in 1927 and was a pioneer in ruby and sapphire laser machining. It also specialised in jewel-bearing production, as well as diversifying into non-watchmaking activities.
The year 2017 marked the beginning of a new adventure for these two companies, which the Acrotec Group acquired. In 2018, the two companies merged at the former Pierhor SA production site in Ecublens to become Pierhor-Gasser SA. This new, independent entity pools over 200 years of expertise in supplying the watchmaking industry. In addition, Pierhor-Gasser guarantees a 100% Swiss-made product.