Contact

3
Testing
laboratories

60
experienced
employees

7
days
a week

350
days
per year

Facts and figures

  • A not-for-profit association officially recognised as serving the public interest.
  • exclusively serving Swiss watchmaking.
  • Approximately 60 permanent and 70 auxiliary employees employed by the 3 observation laboratories.
  • An organisation accredited by the Swiss Accreditation Service (SAS) in Berne.
  • Operates 7 days a week, about 350 days a year.
  • More than 1.8 million timekeeping instruments tested per year.
  • Maximum testing capacity of an observation laboratory: about 60,000 pieces per day.
  • Only about 6% of all Swiss watches exported have the title of certified chronometer.
  • Approximately 21% of the exported mechanical wrist watches are certified chronometers.