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The Encyclopedia of Horology

Clock · Regulator wall clock

Box regulator wall clock

Partially verified

This European regulator wall clock features a wooden case topped by an arched ebonized crest and fitted with a hinged glazed front door. The dial display shows Roman hour numerals, decorative hands, and an off-center winding aperture. Below the movement, a pendulum assembly with a gridiron rod and a circular bob inscribed 'R A' is suspended in front of the backboard, above an oscillation beat scale. A winding key rests inside the base of the cabinet.

Front three-quarter view of the regulator wall clock with open glazed door, dial, pendulum, and winding key
Front three-quarter view of the regulator wall clock with open glazed door, dial, pendulum, and winding key — Catawiki. Rights pending — permission not yet requested. Original source

Catalogue identity

Source
www.catawiki.com
Category
Clock · Regulator wall clock
Maker / attribution
Not established
Reference
SO1049
Catalogue / lot identifier
105888147
Source-reported date
1920-1930
Country
Europe

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

Construction and Exterior

The clock is housed in a wooden cabinet featuring a glazed front door. The top of the case is fitted with an ebonized arched crest, which currently displays a visible crack.

Internal components include a pendulum assembly suspended in front of the backboard, with an oscillation beat scale located beneath the pendulum bob. The pendulum bob is inscribed with the regulation indicator 'R-A'.

Evidence for this section
  • “Elegantes Holzgehäuse mit verglaster Fronttür”
  • “Am oberen ebonisierten Holzkranz befindet sich ein sichtbarer Riss”
  • “Zeitanzeige mit Pendelregulierung (R=A)”

Dial and Dial Elements

The light-colored dial features Roman hour numerals and decorative hands. A single winding aperture is present on the dial face.

A winding key is included with the clock and is stored inside the base of the cabinet.

Evidence for this section
  • “Das helle Zifferblatt mit klassischen römischen Ziffern und filigranen Zeigern”
  • “Inklusive originalem Pendel und passendem Aufzugsschlüssel”

Provenance and Dating

The manufacturer of this timepiece is recorded as unknown. The origin is stated as Europe.

The source provides an estimated production date range of 1920–1930, while also noting the design reflects styles of the late 19th and early 20th centuries.

Evidence for this section
  • “Marke: Unbekannt / Antik”
  • “Herkunft: Europa”
  • “Klassisches Regulateur-Design des späten 19. / frühen 20. Jahrhunderts”

Open research questions

  • Are there any manufacturer marks or serial numbers stamped on the movement plate that are not visible in the provided exterior imagery?
  • What is the specific material composition of the 'gridiron' style pendulum rods?

Source evidence

Recorded claims and source quotations for Box regulator wall clock
FieldSource-reported valueSource quotation
Item TypeWand Uhr / Regulateur“Uhr: Wand Uhr / Regulateur”
MovementMechanical pendulum movement“Uhrwerk: Mechanisch (Pendeluhrwerk)”
MaterialWood, glass, metal“Material: Holz, Glas, Metall”
OriginEurope“Herkunft: Europa”
Regulation IndicatorR=A“Funktionen: Zeitanzeige mit Pendelregulierung (R=A)”
WeightCa. 4,5 kg“Gewicht: Ca. 4,5 kg”
Mechanical Weight4.5 kg“Gewicht: Ca. 4,5 kg”
Movement TypeMechanical pendulum movement“Uhrwerk: Mechanisch (Pendeluhrwerk)”

Visible details

  • Hinged glazed wooden door opened to the right
  • Light dial chapter ring with Roman numerals and openwork hands
  • Single winding arbor visible on the dial
  • Pendulum bob with central white disc inscribed 'R - A'
  • Beat scale plate affixed beneath the pendulum bob
  • Winding key resting on the base of the inner case
  • Visible vertical crack along the ebonized top crest

Research qualifications

  • Maker is unknown according to the source
  • Source reports an origin of Europe and an estimated date of 1920–1930 without documented maker marks

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

Consulted source

Box regulator clock - Wood, Brass - 1920-1930 - auction online Catawiki

Reviewed 2026-10-21 · Record 5fa5df6e17

Terms in this record

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

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