A quick bit of advice from a watch forum creates some hope that the movement could be contemporary of the late 1890s or early 1900s.
Hallmarks are Swiss.
@Stonehedge started
London Fixed Gear and Single-Speed is a community of predominantly fixed gear and single-speed cyclists in and around London, UK.
This site is supported almost exclusively by donations. Please consider donating a small amount regularly.
A quick bit of advice from a watch forum creates some hope that the movement could be contemporary of the late 1890s or early 1900s.
Hallmarks are Swiss.