The Peak Selections: Timepieces - - The Brief -

When the crown is pulled, the sec­onds hand in­stantly jumps back to zero, which al­lows the user to ac­cu­rately set the time. This mech­a­nism fea­tures a clutch that sep­a­rates the fourth wheel, which drives the sec­onds hand, from the wheel train. This is to en­sure vir­tu­ally no fric­tion when the sec­onds hand re­turns to zero.

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