balance spring

American  

noun

Horology.

1. hairspring.

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Etymology

Origin of balance spring

First recorded in 1880–85

Example Sentences

Through this work, Hooke came up with the idea of a new kind of pocket watch regulated by a balance spring.

From Literature

This energy is transmitted to the oscillating balance spring which divides time into equal parts.

From Reuters

The new Zenith watch no longer uses a balance spring, a mechanism invented in 1675, but replaces its approximately 30 parts with a single silicon oscillator that, Zenith says, beats at a higher frequency and is more accurate than standard parts.

From Reuters

It was developed in the group’s research and development center and replaces the traditional balance spring, the watch industry’s most coveted and strategic component on which Swatch Group still has a quasi-monopoly.

From Reuters

It was developed in the group’s research and development center and replaces the traditional balance spring, the watch industry’s most coveted and strategic component on which Swatch Group still has a quasi-monopoly.

From Reuters