Movement · Fusee duplex pocket watch movement
This antique English horological item is a gilt full plate fusee pocket watch movement dating to circa 1835. Made by Thomas Moss of Ludgate Street, London, and numbered 5139, the movement features a Duplex escapement paired with a brass escape wheel. It incorporates a wide three-arm steel balance, jewel settings, and an index regulator marked for Slow and Fast on an engraved balance cock. Measuring 46 mm by 13 mm, the mechanism is set up for key winding and setting. While the source notes an intact chain, it reports the balance is broken. The movement is accompanied by a white enamel dial with gold and gilt hands.
Source-reported attribution and specifications are not independent authentication. A listing does not establish present ownership, current display, availability or permission to reproduce.
This antique horological item is a gilt full-plate fusee pocket watch movement. It is signed on the plate, attributing the manufacture to Thomas Moss of Ludgate Street, London, with the serial number 5139.
The item is categorized by the dealer as belonging to the Georgian period.
The movement features a Duplex escapement paired with a brass escape wheel. It is configured for key winding and key setting.
The mechanism includes a wide, three-arm steel balance and is described as jewelled.
The movement is reported to include a chain described as good, though the balance is noted as broken.
The item is accompanied by a white enamel dial featuring gold and gilt hands. The dial lacks a sub-seconds hand and displays hairline fractures.
| Field | Source-reported value | Source quotation |
|---|---|---|
| Maker Signature | Thos Moss, Ludgate Street, London 5139 | “signed “Thos Moss, Ludgate Street, London 5139”” |
| Escapement | Duplex escapement with brass escape wheel | “Duplex escapement with a brass ‘scape wheel” |
| Plate Configuration | Gilt full plate fusee | “the gilt full plate fusee movement has a Duplex escapement” |
| Balance | Wide steel 3-arm balance | “The movement has a wide steel 3 arm balance and is jewelled.” |
| Dimensions | 46mm x 13mm | “The movement measures 46mm x 13mm” |
| Dealer Stock Code | ME77 (AB-126638) | “Code ME77 (AB-126638)” |
| Stock Code | ME77 (AB-126638) | “Code ME77 (AB-126638)” |
Photograph identity and source facts were screened before import; rights clearance remains pending.
Reviewed 2026-10-21 · Record 02bbf42d0c
Glossary explanations for terms named in this object’s record.
