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The Encyclopedia of Horology

Movement · Vienna regulator movement

Vienna regulator movement with duplex escapement and pendulum

Partially verified

This Vienna regulator movement with pendulum dates to circa 1860 according to the auctioneer. Described as featuring a duplex escapement, maintaining power, shuttered plates, and central jewelling, the assembly is fronted by a 7-inch circular enamel dial. The dial displays Roman hour numerals and an upper subsidiary seconds track, framed by an engine-turned brass bezel. Open-moon Breguet-style hands are fitted, though the condition report notes the seconds hand is missing. A suspension link and a long pendulum with a circular metal bob accompany the dial and movement assembly.

Dial, suspension link, and pendulum of the Vienna regulator movement
Dial, suspension link, and pendulum of the Vienna regulator movement — Bellmans. Rights pending — permission not yet requested. Original source

Catalogue identity

Source
www.the-saleroom.com
Category
Movement · Vienna regulator movement
Maker / attribution
Not established
Reference
Not recorded
Catalogue / lot identifier
1223
Source-reported date
Circa 1860
Country
Not established

Source-reported attribution and specifications are not independent authentication. A listing does not establish present ownership, current display, availability or permission to reproduce.

Object description

Dial and Visual Presentation

The lot consists of a movement assembly fronted by a 7-inch circular white enamel dial framed by an engine-turned surround. The dial displays Roman hour numerals and an upper subsidiary seconds track. Open-moon Breguet-style hands indicate the time, while the subsidiary seconds hand is noted as absent.

Accompanying the movement and dial assembly in the catalogued image are a separate suspension hook and a pendulum fitted with a circular metal bob. A clock case, drive weights, and a winding key are not recorded as present in the auction description.

Evidence for this section
  • “The 7in. circular enamel dial with engine-turned surround”
  • “White enamel dial features Roman hour numerals and an upper subsidiary seconds track.”
  • “Breguet-style open-moon hands indicate hours and minutes, while the subsidiary seconds hand is absent.”
  • “A pendulum with a circular metal bob and a separate suspension hook are shown alongside the dial assembly.”

Reported Movement Characteristics

The auctioneer describes the item as an unusual Vienna regulator movement featuring a duplex escapement. Additional movement features reported by the saleroom include shuttered plates, jewelling to the centre, and maintaining power.

The auction listing dates the clockwork to circa 1860. No specific maker, country, or workshop signature is reported in the catalogue text or visible on the front dial.

Evidence for this section
  • “AN UNUSUAL VIENNA REGULATOR MOVEMENT WITH DUPLEX ESCAPEMENT AND PENDULUM”
  • “Circa 1860”
  • “shuttered plates, jewelled to the centre, high quality movement with maintaining power”

Condition and Documentation Limits

The seller's condition report describes the lot as 'in good condition though lacking seconds hand.' Mechanical operation, timekeeping accuracy, and the completeness of the internal gear trains are not detailed.

Because the mechanism remains concealed behind the dial in the provided saleroom photograph, internal specifications such as the shuttered plate layout, central jewelling, maintaining power detent, and duplex escapement rely entirely on the auction house's description rather than visible confirmation.

Evidence for this section
  • “In good condition though lacking seconds hand.”
  • “though lacking seconds hand.”

Open research questions

  • Are there maker stamps, serial numbers, or production marks visible on the front or rear movement plates?
  • How is the duplex escapement constructed and mounted within the shuttered plate frame?
  • What style of subsidiary seconds hand was originally fitted to the extended escape or fourth arbor?
  • Does the movement retain its original bracket, seatboard, or wall-mounting hardware?

Source evidence

Recorded claims and source quotations for Vienna regulator movement with duplex escapement and pendulum
FieldSource-reported valueSource quotation
EscapementDuplex escapement“AN UNUSUAL VIENNA REGULATOR MOVEMENT WITH DUPLEX ESCAPEMENT AND PENDULUM”
DateCirca 1860“Circa 1860”
Dial Diameter7 inches“The 7in. circular enamel dial”
Dial SurroundEngine-turned surround“enamel dial with engine-turned surround”
Movement FeaturesShuttered plates, jewelled to the centre, maintaining power“shuttered plates, jewelled to the centre, high quality movement with maintaining power”
Condition NoteLacking seconds hand“though lacking seconds hand.”
EscapementDuplex escapement (source-reported)“AN UNUSUAL VIENNA REGULATOR MOVEMENT WITH DUPLEX ESCAPEMENT AND PENDULUM”
DateCirca 1860 (source-reported)“Circa 1860”

Visible details

  • White enamel dial features Roman hour numerals and an upper subsidiary seconds track.
  • Breguet-style open-moon hands indicate hours and minutes, while the subsidiary seconds hand is absent.
  • The dial is bordered by a wide engine-turned gilt brass bezel.
  • A pendulum with a circular metal bob and a separate suspension hook are shown alongside the dial assembly.

Research qualifications

  • Lacks the seconds hand as noted by the auctioneer.
  • Case, weights, and winding key are absent.

Photograph identity and source facts were screened before import; rights clearance remains pending.

Consulted source

AN UNUSUAL VIENNA REGULATOR MOVEMENT WITH DUPLEX ESCAPEMENT AND PENDULUMCirca 1860The 7in. circul

Reviewed 2026-10-21 · Record bcefef2a19

Terms in this record

Glossary explanations for terms named in this object’s record.