THE KEYLESS WORKS
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The positioning of the keyless-works parts for winding is shown in the green numbering. (1) The crown is pushed in, (2) the setting lever swings in, (3) the opposite end of the setting lever swings out allowing (4) the return lever to (5) slide the clutch into engagement with the winding pinion.
The red arrows show the power flow from (1) the stem, to (2) and (3) the clutch, to (4) the winding pinion, and then on to the
and mainspring barrel
During hand setting, all parts move in the direction opposite the green arrows. This brings the clutch into contact with the intermediate wheel, which drives the
cannon pinion, and
The keyless works can be among the most beautiful parts of the mechanical watch. Click
to see the keyless works of a contemporary Patek Philippe wristwatch caliber.
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