Skip to content
The Encyclopedia of Horology

Movement record · England

English full-plate fusee movement

Verified

A continuous top plate over the whole train, with a fusee and chain equalising mainspring torque and, on most examples, a pierced and engraved balance cock. The construction is the defining form of the English trade and the direct counterpart to the Continental bar movement.

Technical specifications

Diameter
Varies; generally large by Continental standards
Height
Substantially thicker than contemporary bar movements
Jewels
Unjewelled on plain work; jewelled to the escapement or more on better watches
Frequency
Typically 14,400 to 18,000 vph depending on date and escapement
Power reserve
Approx. 30 hours
Winding
Key wind through the case back or dial, later keyless on the latest examples
Setting
Key set, later pendant set
Escapement
Verge on early work; English right-angle lever on nineteenth-century examples
Balance
Plain steel balance early; compensation balances on better later work
Complications
Subsidiary seconds on later examples, Repeating work on a minority of watches

Identification features

  • Fusee and chain visible once the movement is out of the case
  • Single continuous top plate rather than separate bars or bridges
  • Pierced, engraved balance cock, often with a diamond or jewelled endstone on good work
  • Movement frequently signed with a maker or retailer name and a serial number

Known variants

  • Verge fusee
  • Rack lever
  • Detached English lever fusee
  • Three-quarter plate late English work

Servicing notes

Fusee chains break and correct replacements are hard to obtain; a broken chain can damage the barrel and fusee. This work belongs with a restorer experienced in English watches.

General guidance only. Antique movements should be serviced by a qualified watchmaker.

Historical significance

The technical and commercial core of English watchmaking, and the construction against which the thinner Swiss and French going-barrel watch competed and eventually won.

Diagram

coiled mainspring inside the barrelbarrel teeth driving the trainarbor and hook
Schematic: mainspring and barrel. An outline schematic drawn to show the arrangement of the parts discussed here. It is not a dimensioned working drawing and does not depict a particular maker's calibre.

Sources & references

  1. British Museum and Science Museum Group horology collection records
  2. Signatures on English watches are frequently retailers rather than makers, so attribution requires care.

Where sources disagree, the disagreement is stated rather than resolved silently.