Pocket watches · Winding
Keyless (Stem-Wind, Stem-Set) Watches
VerifiedWatches wound and set through the crown and stem rather than a separate key, using a keyless works of clutch, winding pinion and setting mechanism.
Mechanism
Turning the crown drives a winding pinion through the clutch wheel to the barrel; pulling the crown (pendant set) or operating a lever/button (lever set, negative set) shifts the clutch to the setting train.
Typical characteristics
- Crown at the pendant
- Internal clutch (sliding pinion) engaging winding or setting
- No exposed winding squares
Identification characteristics
- Crown and stem with no winding squares present
- Setting method (pendant set, lever set, negative set) identifiable by testing or removing the bezel
Collector significance
The transition from key-wind to keyless is one of the clearest dating markers in pocket watch history.
Known variations
- Pendant set
- Lever set
- Negative set (push-button)
- Nail-set
Related photographs



No confidently matched photograph of this subject has been found yet. These photographs show a closely related record, and are not examples of the type described on this page.
Sources & references
- Cutmore, M., Watches 1850-1980
Where sources disagree, the disagreement is stated rather than resolved silently.