LABORATOIRE DUBOIS S.A.
A.-M.-PIAGET 50 · CP 979
CH-2301 LA CHAUX-DE-FONDS
Tél. + 41 (0)32 967 80 00
contact(at)laboratoiredubois.ch
A.-M.-PIAGET 50 · CP 979
CH-2301 LA CHAUX-DE-FONDS
Tél. + 41 (0)32 967 80 00
contact(at)laboratoiredubois.ch
Chemical analyses- Materials control
- Technical assistance and monitoring
- Watch-related and microtechnical controls
- Chronofiable® ageing tests
- Multiples indirect shock tests
- Accidental shock tests
- Electromagnetic field test
- Watch-movement characterisation
- Watch-functions ageing cycles
- Watch water resistance test
- Wristlet and clasp tests
- Watch case tests
- Watch-dials and hands tests
- Characterising crystals and anti-reflective coatings
Watch water resistance test
Watch water resistance is strictly tested as per the various points of standards ISO 22810 or ISO 6425. Other tests are also applicable.
- Water resistance test for water resistant watches as per ISO 22810 (NIHS 92-20)
- Water resistance test for diving watches as per ISO 6425 (NIHS 92-11); maximum depth 1300 m.
- Condensation test (water droplet, Revelator)
- Water overpressure test (up to 160 bar)
- Air tightness test (deformation, differential pressure, Mariotte meter)
- Safety valve operating check (professional diving watches)
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