| M7303 | ![]() |
| UK£300 | |
| Ca. - 1830 | |
| Unusual Swiss Duplex Watch Movement | |
| M6408 | ![]() |
| UK£110 | |
| Ca. - 1840 | |
| English Duplex Movement | |
| M5909 | ![]() |
| UK£110 | |
| Ca. - 1845 | |
|
English Duplex Movement by Vulliamy Vulliamy | |
| M5707 | ![]() |
| UK£85 | |
| Ca. - 1890 | |
|
American Duplex Watch Movement The Waterbury Watch Co - USA | |
| M5506 | ![]() |
| UK£250 | |
| Ca. - 1830 | |
|
Quarter Repeating Duplex Movement John Jackson & Son - Bristol | |