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    Train and Certify, The Academy masters, delivers and measures watchmaking knowledge worldwide.

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Who are we

A not-for-profit foundation set up under private law in 2005 by Audemars Piguet, Girard-Perregaux and Richemont, the objective of the FHH is to promote and spread the reputation of watchmaking excellence around the world.

It provides information on the latest news, history and skills within the watchmaking professions. It trains, assesses and certifies horological knowledge. It organises events and encounters intended for both the general public and professionals. A creator of content, competencies, connections and experiences, the FHH is supported by leading names in the watch industry and independent creators, all actively contributing to its activities.


Head office

Fondation de la Haute Horlogerie

Fondation de la Haute Horlogerie

Pont de la Machine 1

1204 Geneva | Switzerland

T +41 22 808 58 00

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  • Glossary

    • Amplitude

      The distance between the two extreme points of a movement or periodic phenomenon (a angle).

    • Block

      In a lever escapement, the dart is fixed to a block at the base of the fork.

    • calibre-cut

      Small gemstones that are cut into special shape (usually a step cut) that are mostly used in watch bezels.

    • Decimal (Revolutionary) (Republican)

      A watch or clock dial made in 1793, after the French Revolution which imposed the decimal calendar. The year was divided into 12 months and each month into three 10-day periods known as...

    • Engage

      To set in motion, to connect two mechanical systems by means of a mechanical, electrical or other device. When a watch is set to the right time, the winding stem engages with the sliding pinion...

    • Fork

      In clocks and watches, an extension of the lever that connects the escapement and the pendulum rod or balance.

    • Gnomon

      One of the very first instruments for measuring time, the gnomon is a vertically-positioned stick, tree, person or any object which, by the position and length of its shadow, indicates the hour of...

    • Heart-shaped

      A type of brilliant cut that is perfect for romantic and special occasions. Correctly executed, a heart-shaped diamond has good fire and brilliance. It has 54 facets and a culet.

    • Inclusion

      An inclusion is a particle of foreign matter found within a gemstone. Inclusions can be another mineral, a liquid or a gas. Inclusions decrease the value of a diamond when visible with a 10X...

    • Jumping seconds

      On a chronograph, a hand that makes one rotation every second, pausing four, five, even eight times to indicate quarters, fifths or eighths of a second. Also called foudroyante.

    • Karrusel

      A device similar to the tourbillon, the difference being that the cage is driven by the third wheel. Invented by Bonnicksen, a Danish watchmaker established in London.See complication.

    • Lever héliaque d'un astre

      An annual occurrence which marks the end of a period of invisibility that began with the star's heliacal setting due to conjunction with the rising Sun.

    • Marker

      A symbol that replaces some or all of the numerals on a dial.

    • Nickel silver (German silver)

      A silver-white alloy of copper, nickel and zinc developed in France circa 1820 by Maillot and Chorier from whom it takes its name.

    • Observatory chronometer

      A chronometer which has received an official rating certificate from an observatory.

    • Petite sonnerie

      Watch that strikes the hours and quarters in passing without repeating the hours at each quarter. The hour and quarter strikes can be repeated on demand if the subsidiary seconds are...

    • Quartz

      Silicon dioxide. Also called rock crystal. Quartz has the specific property of vibrating at a very high frequency (32 MHz) placed under electric current. Under certain conditions, it...

    • Roch cristal

      The colourless transparent variety of mono-crystalline quartz.

    • Simple calendar (watch)

      Simple calendar: shows the date, i.e. the number, in order, of each day in the month. Certain simple calendars also display the names of the months. A simple calendar...

    • Tritium

      A radioluminescent substance containing tritium that is used to coat the indicators on timekeeping devices so they can be read in the dark.

    • Universal hour

      One twenty-fourth of the universal day which begins at midnight at the Prime Meridian at Greenwich. Following the 1884 International Meridian Conference in Washington, the Earth was divided...

    • Vagues de Genève

      Synonym of Côtes de Genève. A decoration of undulating lines, like waves, frequently used to embellish superior quality movements.

    • Watchmaker's cabinet

      A small chest of drawers for storing the watchmaker's tools and often part of the bench. A cabinet can also be a separate piece of furniture with any number of drawers for sorting and...

    • Year

      A four-digit indication of the current year that changes automatically at midnight on December 31st.

    • Zinc

      A metal applied by electrodeposition (electroplating) to protect iron and steel.

    Expand Glossary

Glossary

From A to Z, we've got watchmaking covered!