hairspring


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hairspring

[′her‚spriŋ]
(horology)
References in periodicals archive ?
You can see the heart of the watch beating," he says, removing a Moser Henry Double Hairspring from his wrist to show me, through the watch's transparent sapphire glass backing.
Especially because of the technical, and our own material for the hairspring," Lange adds.
There is still the idea of motion being measured, but instead of hairsprings and balance wheels, what's being measured is the absorption spectroscopy of cold atoms oscillating in atomic fountains.
Associated Spring is equipped to produce virtually every type of spring from fine hairsprings for electronics and medical instruments to large heavy-duty springs for machinery.