pendulum watch
noun
(formerly) a watch having a balance wheel, especially a balance wheel bearing a fake pendulum bob oscillating behind a window in the dial.
Origin of pendulum watch
First recorded in 1655–65
Words nearby pendulum watch
pendular nystagmus,
pendule,
pendulous,
pendulum,
pendulum effect,
pendulum watch,
pene-,
penecontemporaneous,
peneios,
penelope,
peneplain