The most important Breguet inventions and innovations since 1775

   

1780

Development of the perpétuelle, or automatic watch.

   

1783

Invention of the gong spring for the minute repeater.
Design of the famous Breguet hands and numerals.

   

1786

The Breguet dial, engine-turned by hand.

   

1789

The ratchet key known as the "Breguet Key".
Escapement working without oil.

   

1790

Invention of the pare-chute (timepiece shock absorbers).

   

1792

Development and production of the mechanism for the Chappe optical telegraph.

   

1795

First description of the sympatique clocks.
Development of the perpetual date calendar.
The Breguet balance-spring.
The ruby cylinder.

   

1796

The single-hand watch known as the "subscription watch".

   

1798

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

   

1799

The "tact" watch.

   

1801

Patent of the Tourbillon Regulator (June 26).

   

1810

Development and production of the first wristwatch, ordered by the Queen of Naples.

   

1812

Appearance of dials with off-centred hour ring.

   

1815

Fine-tuning of the double-barrelled marine chronometer.

   

1819

Ocular of an astronomical telescope.

   

1820

Invention of the montre à doubles secondes or observation chronometer, forerunner of the modern chronograph.

   

1830

First watch with keyless winding.

   

1939

Patent of the sidereal time-keeper (February 28).

   

1990

The sympathique wristwatch and its clock.

   

1991

Patent of the perpetual equation-of-time wristwatch (April 17).

   

1997

Patent of the in-line perpetual calendar wristwatch (May 15).

   

1998

The smallest self-winding chronograph movement in the world.

   

2002

Patent for the moon-phase mechanism in the "Reine de Naples" watch.

   

2003

Two patented inventions in the Breguet alarm watch "Réveil du Tsar" :
a column-wheel mechanism to lock or activate the alarm and a device to co-ordinate the alarm with local time.

   

2004

Titanium balance.

   

2005

Shock-protection device for balance pivot (Tradition).
Three patent for the new Breguet detent escapement.
Centrifugal strike governor (Grand Strike).
Striking piece with surprise-piece lifting lever (Grand Strike).

   

2006

Wristwatch equipped with at least two regulators (Twin Tourbillon)
Winding-stem and time-setting device for wristwatches (Twin Tourbillon)
Single-barrel timepiece movement with striking mechanism
Timepiece movement with barrel featuring an improved cover fastening

   

2007

Striking piece featuring a two-function bolting lever
Component fitted with a lifting lever
Multifunction co-axial corrector device

   

2008

Gong for a striking or alarm mechanism.
Hammer for the striking assembly of a gong for a striking mechanism.

   

2009

Device serving to display one or the other of two different indications using the same indicating of a particular timepice.

   

2010

Timepiece comprising a high-frequency mechanical movement (Type XXII)
Striking watch equipped with an acoustic membrane (musical watch)