The most important Breguet inventions and innovations since 1775
Development of the perpétuelle, or automatic watch.
Invention of the gong spring for the minute repeater. Design of the famous Breguet hands and numerals.
The Breguet dial, engine-turned by hand.
The ratchet key known as the "Breguet Key". Escapement working without oil.
Invention of the pare-chute (timepiece shock absorbers).
Development and production of the mechanism for the Chappe optical telegraph.
First description of the sympatique clocks.
Development of the perpetual date calendar.
The Breguet balance-spring. The ruby cylinder.
The single-hand watch known as the "subscription watch".
Patent of the constant force escapement (March 9) Invention of the musical chronometer, the clockwork mechanism that acts as a metronome.
The "tact" watch.
Patent of the Tourbillon Regulator (June 26).
Development and production of the first wristwatch, ordered by the Queen of Naples.
Appearance of dials with off-centred hour ring.
Fine-tuning of the double-barrelled marine chronometer.
Ocular of an astronomical telescope.
Invention of the montre à doubles secondes or observation chronometer, forerunner of the modern chronograph.
First watch with keyless winding.
Patent of the sidereal time-keeper (February 28).
The sympathique wristwatch and its clock.
Patent of the perpetual equation-of-time wristwatch (April 17).
Patent of the in-line perpetual calendar wristwatch (May 15).
The smallest self-winding chronograph movement in the world.
Patent for the moon-phase mechanism in the "Reine de Naples" watch.
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.
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).
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
Striking piece featuring a two-function bolting lever
Component fitted with a lifting lever Multifunction co-axial corrector device
Gong for a striking or alarm mechanism. Hammer for the striking assembly of a gong for a striking mechanism.
Device serving to display one or the other of two different indications using the same indicating of a particular timepice.
Timepiece comprising a high-frequency mechanical movement (Type XXII) Striking watch equipped with an acoustic membrane (musical watch)