Explore models fitted with this calibre

RD830

Automatic caliber with date

RD821B

Bi-retrograde jumping date
Perpetual calendar watch | RD821J

RD821J

Perpetual calendar

Self‑winding mechanical caliber, finely adjusted in five positions

Highlights

The mechanical self-winding caliber RD821B comprises 291 components of which all faces are individually hand finished.

Highlights

The mechanical self-winding caliber RD821B comprises 291 components of which all faces are individually hand finished.

This new generation of movements combines the aesthetic advantage of the micro-rotor with technical efficiency.

This new generation of movements combines the aesthetic advantage of the micro-rotor with technical efficiency.

Poinçon de Genève

The ultimate guarantee of the finest traditional watchmaking. Roger Dubuis makes it a priority, when producing this timepiece, to follow only the most demanding & strictest criteria for quality and craftsmanship.

Learn more

Technical specifications

Features

  • Type: Self-winding mechanical caliber
  • Function: Bi-retrograde jumping date
  • Power reserve: 48

Decorations

  • Rhodium-plated
  • “Côtes de Genève” decoration
  • “Poinçon de Genève” finishings

Specifications

  • Reference: RD821B
  • Components: 291
  • Jewels: 48
  • Diameter: 11 1/2
  • Thickness: 5.68 mm
  • Frequency: 4Hz (28’800 vph)

Discover models fitted with this calibre

Exclusive Roger Dubuis creations with RD821B calibre

Discover All
Share this watch
Share this news
Frequent searches
Contact our concierge
Receive a callback
Make an appointment
Locate a boutique
qrcode