Micromechanics at a human scale, born in 2020
Born in 2020 in Le Sentier, in the heart of the Vallée de Joux, Tec-Joux SA carries decades of watchmaking know-how and welcomes industrialists from across the country, drawn by the precision and responsiveness of the Jura Arc.
Run by a micromechanic, it has become a reference where history, hospitality and openness to the world meet, offering every client a unique experience.
Discover the story of the houseThree markets one standard of excellence
Watchmaking
Calibre parts, arbors, pinions and high-precision components for manufacturers.
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Medical
Components for medical devices, ISO 13485 compliant.
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General mechanics
Custom mechanical parts, tooling and series for any industry.
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Expertise
Tsugami bar turning, 3- and 5-axis milling, turn-milling, micron-level inspection.
DiscoverFrom bar to component the know-how of the Jura Arc
Tec-Joux masters the processes behind Swiss precision: automatic Tsugami bar turning, 3- and 5-axis milling, turn-milling and final micron-level inspection.
A human-scale SME run by a micromechanic: a single point of contact, responsiveness with no middleman.
Discover our expertise 
A service to match your expectations
Online quote
Upload your STEP, DXF or PDF drawings. Reply within 48 business hours.
Prototypes & one-off parts
From the first unit to large series, from the first drawing.
Guaranteed confidentiality
Your drawings and documents handled in confidence.
2nd and 3rd tier subcontracting
We integrate into your supply chain, complementing your volumes.
ISO 13485 quality
Certified management system for medical devices, every batch traced.
A single point of contact
A responsive SME run by a micromechanic.
« Precision is measured in microns. »
Trust is built piece by piece.
Responsiveness makes the difference.
Questions & answers
Yes. We produce one-off parts and prototypes from the very first unit, on our 3/5-axis milling centers and lathes.
We mainly machine brass, steels, stainless steel and aluminium. Other materials are possible on request — specify your need in the quote form.
They depend on the process, complexity and batch. We reply to every quote request with a precise lead time.
From one-off parts to several tens of thousands of parts per series, depending on the process and machine.
Absolutely. Your files are handled in confidence and are only used to prepare your quote and produce your parts.
Yes — it is even our main entry point. We integrate into your production chain, complementing or relieving your volumes.
Le Sentier in the heart of the Vallée de Joux
Our workshop welcomes you in Le Sentier, a few steps from the finest watchmaking manufacturers.
Request your quote online
Upload your drawings (STEP, DXF, PDF), specify your needs — we reply as quickly as possible.
Reply within 48 business hours