Roger Dubuis RD821

The RD821 is an automatic movement manufactured by Roger Dubuis and certified with the Poinçon de Genève, indicating finishing meets traditional Geneva watchmaking standards. It features a micro-rotor for winding and displays hours, minutes, and seconds alongside a date function. The caliber belongs to the RD8xx family and is produced in-house. It powers models in the Excalibur collection and remains in production.