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The Encyclopedia of Horology

Watch family · Style & purpose

Skeleton Watches

Verified

Watches with the movement plates and bridges cut away and often decoratively engraved, so the going train and escapement are visible from the dial side, back, or both.

Movement & mechanism

  • Movement bridges reduced to the minimum structurally necessary and often hand-engraved
  • Sapphire crystal front and back (in modern examples) to display the mechanism from both sides
  • No conventional dial, or only a minimal chapter ring, so the wheel train and escapement can be seen

Identification

  • Visibly pierced, skeletonised plates and bridges
  • Often accompanied by hand-applied decorative finishing (anglage, perlage) visible because the movement is exposed

Terminology

  • Skeletonisation — the process of cutting away non-essential movement material
  • Anglage — hand-bevelled and polished edges on movement components

Known variations

  • Fully skeletonised movement
  • Partially open-worked ('semi-skeleton') movement

Pocket-watch ancestry

Skeletonised movements were an established decorative pocket-watch and clock tradition before being applied to wristwatch calibres, continuing the same engraving and piercing techniques on a smaller scale.

Collecting notes

Valued for the quality of hand-finishing and engraving rather than for any additional timekeeping function; a well-executed skeleton movement is considered a display of watchmaking skill.

Photographs

Claude Meylan Skeleton Watch
Claude Meylan Skeleton WatchMingus19, CC BY-SA 4.0. Wikimedia Commons file page

Photographs are illustrative examples of the type, not necessarily the exact object described. Verify details against the source file page.

Sources & references

  1. Daniels, G., Watchmaking

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