Origins and period
Grenchen, Switzerland
Founded 1912
Abbady Watches A–Z archive · Research page
Fortis
This page has been created in the permanent archive and is ready for verified history, watch photographs, model identification, and collector information.
Abbady photographic archive
Fortis photographs
Archive photographs are captioned only from details visible in the image. Exact references and production dates remain open until case, movement, and serial markings can be compared.
Fortis in watchmaking
Walter Vogt founded Fortis with the goal of producing innovative Swiss watches at accessible prices.
Landmark dates
- Founding and first production
- Important movement or model launch
- Expansion, merger, revival, or modern milestone
Known for
Early automatic wristwatches, aviation watches, space-tested models, and rugged tool watches.
Movements and innovation
Calibres, escapements, case construction, water resistance, electronic or quartz development, manufacturing methods, patents, and specialist suppliers.
Identification checklist
- Reference and serial numbers
- Movement calibre and jewel count
- Case material and dimensions
- Dial, hands, crown, crystal, bracelet, and inscriptions
Preservation guidance
Service considerations, originality, replacement parts, water-resistance assumptions, safe storage, and details that should be documented before restoration.
References and credits
Official manufacturer history, museum or archive sources, technical sheets, books, catalogues, advertisements, image credits, and provenance notes.