Ronda AG is a Swiss manufacturer of

quartz Quartz is a hard, crystalline mineral composed of silica ( silicon dioxide). The atoms are linked in a continuous framework of SiO4 silicon-oxygen tetrahedra, with each oxygen being shared between two tetrahedra, giving an overall chemical ...

and

mechanical Mechanical may refer to: Machine * Machine (mechanical), a system of mechanisms that shape the actuator input to achieve a specific application of output forces and movement * Mechanical calculator, a device used to perform the basic operations of ...

watch movements. The company was founded in 1946 by William Mosset and the current headquarters are located in

Lausen Lausen is a municipality in the district of Liestal in the canton of Basel-Country in Switzerland. History Lausen is first mentioned in 1275 as ''in villa et banno Langenso''. In 1305 it became the property of the Bishop of Basel, passing in ...

Basel-Landschaft Basel-Landschaft or Basel-Country informally known as Baselland or Baselbiet (; german: Kanton Basel-Landschaft ; rm, Chantun Basilea-Champagna; french: Canton de Bâle-Campagne; it, Canton Basilea Campagna), is one of the 26 cantons forming ...

. Their movements are used in a variety of watches around the world, including RSC pilot's watches,

Shinola Shinola is a defunct American brand of shoe polish. The Shinola Company, founded in Rochester, New York in 1877 as the American Chemical Manufacturing and Mining Company, produced the polish under a sequence of different owners until 1960. "Shin ...

and Mondaine watches.Mondaine-USA.com
retrieved Sept 2, 2016

References

Watch manufacturing companies of Switzerland Watch movement manufacturers Manufacturing companies established in 1946 {{Switzerland-company-stub