Dubois Dépraz is a Swiss ebauche movement and complication manufacturer.
This company was founded in 1902 in Le Lieu in the Vallée de Joux. It is still located there, near the headquarters of companies such as Jaeger-LeCoultre, Audemars Piguet, Blancpain, Breguet, and ETA/Valjoux.
Until today it is a specialist in complicated cadratures such as perpetual calendars and chronographs for wristwatches.
The firm supplied among others Patek Philippe, Landeron, Minerva, Valjoux, Eberhard, Heuer, and Breitling.