pendulum watch
Noun: A type of watch, historically from the 18th century, which features a decorative, non-functional pendulum attached to its balance wheel mechanism. This pendulum is an ornamental imitation and does not serve the timekeeping function of a true pendulum.
The term "pendulum watch" specifically refers to a historical artifact or antique timepiece. It is used to describe and classify a particular style of watch from a specific era. - The museum's collection includes a rare 18th-century pendulum watch with an ornate fake pendulum. - Unlike a true pendulum clock, the pendulum watch uses a balance wheel for regulation; the pendulum is merely decorative.
- As a collector's term: The phrase is primarily used in horology (the study of timekeeping) and by antique collectors to identify and describe these specific watches.
- For serious collectors, identifying an authentic pendulum watch requires examining the balance wheel assembly.
- Balance wheel: The actual regulating component inside the watch that oscillates.
- Fake pendulum / Decorative pendulum: The non-functional, swinging ornament attached to the balance wheel.
- Pocket watch: A general category of portable timepieces, which may include pendulum watches.
- Decorative pendulum watch (descriptive synonym)
- Fake pendulum watch (descriptive synonym)
It is critical to distinguish a "pendulum watch" from a pendulum clock. A pendulum clock uses a functional, gravity-driven pendulum as its timekeeping regulator. In a pendulum watch, the pendulum is a decorative attachment (a "fake pendulum") and does not regulate the time; the watch is actually regulated by a balance wheel. The term describes the watch's appearance, not its mechanism.
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(18th century) a watch with a balance wheel having a fake pendulum attached to it
