Ronda (watchmaker)
Ronda AG is a Swiss manufacturer of quartz and mechanical watch movements.  The company was founded in 1946 by William Mosset and the current headquarters are located in Lausen, Basel-Landschaft.

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

References

Watch manufacturing companies of Switzerland
Watch movement manufacturers
Manufacturing companies established in 1946
Companies based in Basel-Landschaft