Major Inventions and Innovations of
Abraham-Louis Breguet and his Successors
Over 120 patents registered since 2000!
|1780||Twin going-barrels to provide smoother power transfer.||Perpétuelle watch – perfection of the self-winding mechanism with oscillating mass. State of winding indicator.|
|1783||Breguet hands and numerals. Watch repeating on gongs.|
|1785||Application of a bimetallic thermometer to a watch. Development of a superior lever escapement.|
|1786||The Breguet dial, engine-turned by hand.|
|1787||New design of repeating work for 10 minute ¼ hour, ½ ¼ hour and minute-repeating.|
|1789||Echappement naturel – escapement working without oil.
Breguet key – a ratchet key designed to engage when turned in the correct direction.
|1790||Pare-chute shock protection.||Collier form watchcase.|
|1791||Secondes d’un coup – independent jump seconds stopwatch.||Quatre-baguettes – watchcase.|
|1792||Development and production of the mechanism for the Chappe optical telegraph.|
|1794||Aiguilles des Heures Sautante – jump hour hand.
Overhanging ruby cylinder escapement. Secret signature.
|1795||Regulateur à Tourbillon.
|Perpetual calendar mechanism.|
Breguet balance spring.
|Pendule de voyage – the carriage clock in the form that was to be adopted by all other makers.|
|1798||Echappement à Force Constante (March 9).
Invention of the musical chronometer, the clockwork mechanism that acts as a metronome.
Independent seconds hand.
|1799||Montre à tact.||Nouveau calibre movement.|
|1800||Pull-twist piston for repeating. Repeating of the date.|
|1801||Patent of the Tourbillon Regulator (June 26).|
|1803||Hunting-case for slim watches.|
|1808||Detachable horizontal platform for a carriage clock.|
|1810||Pendule Sympathique winding and re-setting the watch.||Development of the “fork and roller” lever escapement with draw. Development and production of the first wristwatch, ordered by the Queen of Naples.|
|1815||Fully adjustable balance spring stud.||Interchangeable escapement platform for marine chronometers.|
|1816||Double train/escapement watch and clock.|
|1819||Ocular of an astronomical telescope.|
Double secondes d’un coup dedoublante – independent split centre-seconds stopwatch.
|Platinum used for a watchcase.
Slide-armed repeating work.
|1829/30||Combined keyless winding and hand setting.||Platinum balance wheel.
Watch designed to be worn on the wrist.
|1928||First purpose-built perpetual calendar wristwatch.|
|1938||Start and reset mechanism of a movement with direct-drive seconds hand.|
|1939||Patent of the sidereal timekeeper (February 28).|
|1950||Chronograph reset mechanism.
Chronograph minute counter (2 patents).
|1990||First Sympathique wristwatch and its clock.
Double power reserve.
|1991||Timepiece with a running equation-of-time, perpetual equation-of-time wristwatch.|
|1994||Perpetual calendar mechanism, in-line perpetual calendar wristwatch.|
|1996||Timepiece movement equipped with a perpetual calendar mechanism.|
|1997||Patent of the in-line perpetual calendar wristwatch.|
|1998||The world’s smallest self-winding chronograph movement.|
|2002||5 patents registered, including:
Moon-phase mechanism (Reine de Naples).
|2003||7 patents registered, including:
Patent for a mechanism to lock the alarm function, column-wheel system (Réveil du Tsar).
|2004||7 patents registered, including:
Balance for timepiece movement, titanium balance (Tradition Tourbillon Fusée).
|2005||15 patents registered, including:
Watch equipped with at least two regulating systems (Double Tourbillon).
Shock-protection device for balance pivot (Tradition).
|2006||13 patents registered, including:
A musical module for a watch movement (La Musicale).
|2007||3 patents registered, including:
Timepiece comprising a power-reserve display device (Tradition Tourbillon).
|2008||8 patents registered, including:
Gong for a striking or alarm mechanism (minute repeater).
Balance spring with “overcoil” terminal curve in silicon (Tradition Tourbillon).
|2009||8 patents registered, including:
Gong for a timepiece striking mechanism (minute repeater).
Tourbillon timepiece movement equipped with a shock-protection device (Tradition Tourbillon).
|2010||11 patents registered, including:
Timepiece comprising a high-frequency mechanical movement (Type XXII).
Striking watch equipped with an acoustic membrane (La Musicale).
Magnetic pivots and magnetic anti-shock (Classique Chronométrie).
|2011||19 patents registered, including:
A musical module for a watch (La Musicale).
A balance-spring with two spiral springs.
Magnetic governor for the transmission wheel(s) of the movement or strike (La Musicale).
|2012||5 patents registered, including:
Balance-spring with two spiral springs featuring improved isochronism.
Contact-free torque transfer for timepiece.
|2013||10 patents registered, including:
Wheel in a watch pivoting in a magnetic or electrostatic field.
Setting the frequency range of a device that produces sound with vibrating blades.
|2014||5 patents registered, including:
Mainspring barrel with enhanced transmission.
Comb for a music box.
Musical watch case featuring enhanced acoustics.