
Development and production of high-quality dials for the luxury watch industry.
GT Cadrans (Gemmes-Tech SA)
1027 Lonay (VD) · SwitzerlandNew on Amplifa
Manufacturer of Dials
GT Cadrans is an independent company of the Gemmes-Tech Group based in Lonay (VD), Switzerland, and has specialized since 2010 in the development and production of high-quality dials for the luxury watch industry. More than 30 trades are integrated in-house within the manufacturing process, including micromechanics, polishing, electroforming, lacquering/zaponing, engraving and setting (sertissage). In addition to lacquered and galvanized dials with an industrial approach, the company possesses particular expertise in the design and manufacture of dials made of natural stone and mother-of-pearl. Creativity combined with state-of-the-art industrial technologies enables sophisticated executions that unite emotion and technique. As part of the Gemmes-Tech Group headquartered at Route de Denges 36 in Lonay, GT Cadrans operates as a B2B manufacturing partner for watch brands.
- Site
- Lonay/VD
- Processes
- Micromécanique, Polissage, Galvanoplastie, Vernissage/zaponnage (Lacquering), Gravure (Engraving), Sertissage (Setting/Stone setting), Façonnage de cadrans en pierre et nacre (Design of dials made of stone and mother-of-pearl), Développement et production de cadrans haut de gamme (Development and production of high-end dials)
- Materials
- Pierre (Stone), Nacre (Mother-of-pearl), Natural stone (Pierre), Mother-of-pearl (Nacre), Electroforming, Vernissage/Zaponnage, Engraving, Polishing
- Founded
- 2010
- Industries
- Luxury watch industry
- 01
Development/Design
- 02
Micromechanics
- 03
Electroforming
- 04
Lacquering/Zaponing
- 05
Engraving
- 06
Polishing
- 07
Sertissage (setting)
Materials and Processes
Natural stone (Pierre)
Design and manufacture of dials made of natural stone.
Mother-of-pearl (Nacre)
Processing of mother-of-pearl into high-quality dials.
Electroforming
Electrolytic metal deposition for finishing dial surfaces.
Vernissage/Zaponnage
Lacquering and zaponing as surface protection and design element.
Engraving
Engraving of dial details with high precision.
Polishing
Polishing of dial components for high-quality surfaces.
Sertissage (Setting)
Manual setting and mounting of elements on the dial.
Micromechanics
Precision-mechanical machining of dial components.
Sites
Lonay
CHHeadquarters and Production (GT Cadrans, Gemmes-Tech SA)
- Materials
- Natural stone, mother-of-pearl, metals
Inside the production


Industries
Processes & technical limits
| Processes | Tolerance | Max. part | Weight | Lot size | Materials |
|---|---|---|---|---|---|
| MicromécaniqueMachining | – | – | – | – | – |
| PolissageSurface | – | – | – | – | – |
| GalvanoplastieSurface | – | – | – | – | – |
| Vernissage/zaponnage (Lacquering)Surface | – | – | – | – | – |
| Gravure (Engraving)Surface | – | – | – | – | – |
| Sertissage (Setting/Stone setting)Assembly | – | – | – | – | – |
| Façonnage de cadrans en pierre et nacre (Design of dials made of stone and mother-of-pearl)Engineering | – | – | – | – | Pierre (Stone), Nacre (Mother-of-pearl) |
| Développement et production de cadrans haut de gamme (Development and production of high-end dials)Engineering | – | – | – | – | – |
Additional services
History
- 2010
Foundation of GT Cadrans; specialization in the development and production of high-quality dials.