A few major inventions by Abraham-Louis Breguet


Launch of the first automatic or so-called perpétuelle watches, equipped with an oscillating weight and two barrels.


Invention of the gong spring for repeating watches.
Design of the first hollowed-tip hands that became known as “Breguet hands” and the Arabic numerals known as “Breguet numerals”.


First dials hand-engraved on a rose engine, or guilloché-worked.


Invention of the ratchet key known as the “Breguet key”.
Natural escapement running without lubricant

Montre perpétuelle à répétition des quarts à toc, Breguet n°15

À toc perpétuelle quarter-repeating watch, Breguet No 15


Invention of the pare-chute, a shock-absorbing device.


Creation of the mechanism for the Chappe optical telegraph.


First description of the sympathique clocks.
Development of the perpetual calendar.
Invention of the “Breguet balance-spring”.
Definitive version of the ruby cylinder.

Sympathique clock, Breguet N°666/721<br />The Royal Collection<br />© 2011 Her Majesty Queen Elizabeth II

Sympathique clock, Breguet No 666/721


The single-hand watch known as the “subscription watch”.


Patent for the constant-force escapement (March 9th).
Invention of the musical chronometer, the clockwork that acts as a metronome.


Sale of the first tactile watch, known as a “tact” watch.

Souscription watch, Breguet N° 4215<br />© Collection Montres Breguet

Souscription watch, Breguet No 4215


Patent for the tourbillon regulator (June 26th). This famous invention, first imagined in 1795, was only commercialised in 1805.


Development and production of the first wristwatch, ordered by Caroline Murat, Queen of Naples and completed in 1812.


Appearance of dials with off-centred chapter ring.

Breguet Tourbillon<br />© Collection Montres Breguet

Breguet Tourbillon


Breguet appointed horologer of the French Royal Navy.
Development of the double-barrelled marine chronometer.


Ocular of an astronomical telescope serving to measure “tenths of a second and even approximately hundredths”.


Invention of the montre à double seconde or observation chronometer, forerunner of the modern chronograph.


First watch with keyless winding, equipped with a knurled knob for winding and time-setting


Today more than ever, the vitality of a brand is measured by its capacity for innovation. Breguet’s creativity and ingenuity have grown rather than dwindled over the years – as is eloquently confirmed by the over 100 patents registered since its 1999 takeover by the Swatch Group.

Observation chronometer, Breguet N°4009<br />© Collection Montres Breguet

Observation chronometer,
Breguet No 4009

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