Private company
Logo: Carole93, CC BY-SA 4.0, via Wikimedia Commons3
Swiss watch manufacturer
Ateliers deMonaco is a manufacturer of wristwatches based in Geneva, Switzerland.2 Wikipedia text CC BY-SA 4.0
Last updated Oct 21, 2026.
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Ateliers deMonaco is a manufacturer of wristwatches based in Geneva, Switzerland.2
The brand was founded in 2008 by co-founders Pim Koeslag, Robert van Pappelendam and Peter Stas in the municipality of Plan-les-Ouates in western Switzerland. The company was established as a manufacture d'horlogerie, whereby most of the components of its watches are produced in-house.
In May 2016, Citizen announced its intention to acquire Ateliers deMonaco.
From Wikipedia’s article on Ateliers deMonaco, shared under CC BY-SA 4.0.4
Tourbillon Répétition Minute with patented Balance Cage. A Silicium Escapement and Lever with low weight, hardness and high corrosion resistance.
Tourbillon eXtrem Precision 1 Minute
Quantième Perpétuel with EaZy Adjust system, a perpetual calendar allowing to set the time, date, day, week, month and (leap) year by using the crown.
Admiral Chronographe Flyback with direct return to zero mechanism
Poinçon de Genève with Freebeat regulation system
Ronde de Monte-Carlo
Bespoke La Sirène, a reference to Charlène de Monaco and her favourite flowers the King Protea from South Africa.
From Wikipedia’s article on Ateliers deMonaco, shared under CC BY-SA 4.0.4
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