Explore models fitted with this calibre

RD830

Automatic caliber with date
Roger Dubuis’ unique RD821J instantaneous in-line perpetual calendar watch provides a perfectly readable display of the day, date and month through apertures appearing in a straight line.

RD821J

Perpetual calendar

RD821B

Bi-retrograde jumping date

A remarkable technical feat appreciated as a Swiss watchmaking masterpiece

Roger Dubuis’ unique RD821J instantaneous in-line perpetual calendar watch provides a perfectly readable display of the day, date and month through apertures appearing in a straight line.

Highlights

Roger Dubuis’ unique RD821J instantaneous in-line perpetual calendar watch provides a perfectly readable display of the day, date and month through apertures appearing in a straight line.

Highlights

Roger Dubuis’ unique RD821J instantaneous in-line perpetual calendar watch provides a perfectly readable display of the day, date and month through apertures appearing in a straight line.

1250 hours of manufacturing, including 380 hours devoted to the Poinçon de Genève.

Roger Dubuis’ unique RD821J instantaneous in-line perpetual calendar watch provides a perfectly readable display of the day, date and month through apertures appearing in a straight line.

1250 hours of manufacturing, including 380 hours devoted to the Poinçon de Genève.

Roger Dubuis’ unique RD821J instantaneous in-line perpetual calendar watch provides a perfectly readable display of the day, date and month through apertures appearing in a straight line.

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: Perpetual calendar
  • Power reserve: 48

Decorations

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

Specifications

  • Reference: RD821J
  • Components: 358
  • Jewels: 33
  • Diameter: 12 3/4
  • Thickness: 5.28 mm
  • Frequency: 4 Hz (28'800 vph)
Share this watch
Share this news
Frequent searches
Contact our concierge
Receive a callback
Make an appointment
Locate a boutique
qrcode