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The Encyclopedia of Horology

Component record · Keyless work

Stem Pivot

Partially verified

Small tip of stem

What it does

Locates the stem in the main plate

How it works

Evolution

Ensures stem alignment

Known variations

    Identification for collectors

      Common failure modes

      • Snapping

      Diagram

      crownsliding clutchsetting wheelswinding pinion and ratchet
      Schematic: keyless winding and hand setting. An outline schematic drawn to show the arrangement of the parts discussed here. It is not a dimensioned working drawing and does not depict a particular maker's calibre.

      Sources & references

      1. de Carle, D., Practical Watch Repairing
      2. de Carle, D., Watch and Clock Encyclopedia
      3. Daniels, G., Watchmaking

      Where sources disagree, the disagreement is stated rather than resolved silently.