Family: RD6xx
The RD640 is an automatic movement manufactured by Roger Dubuis. It is Poinçon de Genève certified and features a micro-rotor. The caliber displays time and date and is used in various Excalibur models. As an in-house caliber belonging to the RD6xx family, it remains in production.
TECHNICAL SPECIFICATIONS
Movement Type
Automatic
Display Type
Analog
Rotor Type
Micro Rotor
COMPLICATIONS
Date
FEATURES
Hand WindingQuickset Date
QUICK FACTS
BRAND
TYPE
AutomaticSTATUS
In ProductionMANUFACTURE
In-houseCALIBER FAMILY
RD6xxALSO KNOWN AS
caliber rd640