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The Encyclopedia of Horology

La Chaux-de-Fonds, United Kingdom and Switzerland · born 1967

Stephen Forsey

Partially verified

High-complication watchmaking

Life & work

Co-founder of Greubel Forsey; specialist in tourbillon research.

Training, contributions & innovations

  • Developed the Double Tourbillon 30°

Inventions & patents

  • Numerous patents for tourbillon mechanisms

Signatures & markings on surviving work

  • Greubel Forsey

Collecting significance

Authenticity depends on signatures and movement quality. For 19th-century makers, serial numbers often allow for precise dating. For modern independents, documentation from the maker is key.

Related photographs

Image-Greubel Forsey Tourbillon 24 Secondes Incline
Image-Greubel Forsey Tourbillon 24 Secondes Incline — Greubel Forsey, CC BY 3.0. Wikimedia Commons file page
Tourbillon
Tourbillon — Simon Schaller (Benutzer: simusch, eigenes Bild), Public domain. Wikimedia Commons file page

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

  1. Britten, F. J., Old Clocks and Watches and Their Makers
  2. Loomes, B., The Early Clockmakers of Great Britain
  3. Ehrhardt, R., American Pocket Watch Identification and Price Guide
  4. Museum catalogue records

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