A few major inventions by Abraham-Louis Breguet

1780

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



1783

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”.



1786

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



1789

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



1790

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



1792

Creation of the mechanism for the Chappe optical telegraph.



1795

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

1796

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



1798

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



1799

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

1801

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



1810

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



1812

Appearance of dials with off-centred chapter ring.



Breguet Tourbillon<br />© Collection Montres Breguet

Breguet Tourbillon

1815

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



1819

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



1820

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


1830

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


2011

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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