balance spring

noun

Horology.

1. hairspring.

Word History and Origins

Origin of balance spring¹

First recorded in 1880–85

Example Sentences

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

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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.

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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.

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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.

Read more on 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.

Read more on Reuters