In order to be fulfilled, a request for a register extract must be made in writing:

    OBSERVATOIRE DE GENÈVE
    Service de Chronométrie
    Chemin Pegasi, 51
    CH-1290 Versoix

    or by email (form on the left): Michel.Crausaz@unige.ch

    As a rule, requests for chronometer results must be made by letter or email or using the request form on the left and must include the following information:

    • Name and address of the applicant (for correspondence and billing)
    • Email (for correspondence)
    • Name of the chronometer manufacturer
    • Movement number engraved on the plate
    • Year of manufacture, or year of registration, or most likely period.
    • Photos

    The normal response time is two to three weeks.
    In exceptional cases, requests may be made by telephone (+41 22 379 22 00), but will always be confirmed by mail or email (form above).

    Research and photocopying fees are charged at CHF 260 for a chronometer that has successfully completed the competition (extract from the register and facsimiles of the register).

    Research fees are charged at CHF 70 for a chronometer that does not appear in our archives or for a specific request for information.

    The extract from the register will be sent by post after payment of the fees.