Roger Dubuis Quantième Perpétuel Bulletin d'Observatoire
Record status
Individual type · partial
Period
circa 2000
Maker / issuer
Roger DubuisThis Roger Dubuis Quantième Perpétuel, reference H37 5739, is a self-winding perpetual calendar wristwatch in 18K white gold. Manufactured circa 2000, the timepiece features a white dial with applied white gold Breguet numerals and dart indexes.
It provides functions for a perpetual calendar including moon phases, leap year indication, and a subsidiary dial for the day of the month. The movement, caliber RD 5739, is rhodium-plated and decorated with fausses cotes, bearing the Seal of Geneva quality mark. It includes 30 jewels, a straight-line lever escapement, and a swan neck regulator, and is adjusted to five positions. The watch is housed in a two-body, water-resistant white gold case with a transparent screwed-down case back, measuring 40 mm in diameter and 11 mm in thickness.
It is fitted with an 18K white gold Roger Dubuis buckle.
Evidence at a glance
- Linked sources
- 1
- Photograph views
- 1
- Catalogue references
- 0
Counts describe this entry’s documentation, not authenticity, rarity or completeness. Photographs may show one specimen; check each caption and licence.
Technical characteristics
- Type
- Perpetual calendar wristwatch
- Maker
- Roger Dubuis
- Dimensions
- 40 mm diameter, 11 mm thickness
- Case Material
- 18K white gold
- Certification
- Seal of Geneva
- Place recorded
- Switzerland
- Movement Number
- 27
- Movement Caliber
- RD 5739
- Reference Number
- H37 5739
- Maker / attribution
- Roger Dubuis
Design
- Visible features
- • Applied white gold radial Breguet numerals on the dial • Transparent case back revealing the mechanical movement • Correction push-piece visible on the side of the case band • Moon phase aperture located in the lower left quadrant
- Movement and Caliber
- Power is provided by the self-winding Caliber RD 5739, which is rhodium-plated and finished with fausses cotes decoration. The movement contains 30 jewels and utilizes a straight-line lever escapement. It is equipped with a swan neck regulator, a shock absorber, and a self-compensating flat balance spring. The watch features a central rotor finished with a pink gold 'RD' monogram and includes a hack mechanism. The movement has been adjusted to five positions and bears the Seal of Geneva quality mark.
- Condition and Attribution
- The auction description provides a grading system where the watch is evaluated as a whole and by component. The case is reported as being in very good condition with slight scratches. The dial is classified as 'as new', and the hands are noted as original. The dial, case, and movement are documented as signed by the maker.
- Case and Dial Construction
- The watch features a two-body, 18K white gold case designed for water resistance. It is finished with polished and brushed surfaces and includes a concave bezel and lugs. The back of the case is transparent and screwed down, allowing visual access to the movement. The white dial is adorned with applied white gold radial Breguet numerals and dart indexes. The outer periphery displays dot minute divisions and a 1/5th seconds track. Time is indicated by white gold feuille hands. The calendar information is presented via subsidiary dials and apertures for the days, months, moon phases, and leap year.
Identification
- Reference
- H37 5739
- Serial number
- 27
- Source note
- Facts transcribed from the linked source listing or collection record. Attribution and specifications are source-reported and have not been independently authenticated.
Catalogue references
No catalogue numbers recorded. Numbers are only published once transcribed from a verified edition of a standard catalogue — they are never inferred.
Research required
- Research required: The auction house recommends an overhaul for the movement
- Research required: The case shows slight scratches according to the condition report