Mainspring
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Mainspring
The mainspring is the power spring of a wristwatch or pocketwatch. It stores the energy input into it by manual winding or by the rotor in an automatic (self-winding) watch.
Mainspring
The mainspring is the power spring of a wristwatch or pocketwatch. It stores the energy input into it by manual winding or by the rotor in an automatic (self-winding) watch.