*  History of watch making


B.C. 742
First recorded mention of the sundial.
A.D. 330
Sand glasses known to be in use.
1000
The first escapement.
1368
Clock making began in England.
1500
Mainspring invented by Peter Henlein, a locksmith of Nurenberg.
1511
The first portable clock (by Peter Henlein).
1581
Galileo discovered the properties of the pendulum.
1675
Royal Observatory at Greenwich founded
1720
George Graham invents a system to measure time intervals on clocks (accuracy 1/16 second)
1730
The first cuckoo clock was constructed in Germany.
1780
The hair spring was invented by Breguet, in Paris.
1801
The Tourbillon escapement was patented by Breguet.
1822
Rieussec invents the first chronograph in a pocket watch by means of an inked need.
1830-50
Utilization of chronographs mainly for military purposes.
1862
First chronograph with return to zero mechanism (Adolphe Nicole, Vallée de Joux)
1875
The first alarm clock appeared in Germany.
1880
First split-second chronographs appear.
1883
First chronograph with 2 pushers.
1900
First wrist watches appeared.
1916
Summer Time first introduced.
1926
First waterproof watch invented by Rolex.
1931
First perpetual self-winding watch invented by Rolex.
1937
Quartz crystal clocks introduced at the Royal Greenwich Observatory.
1953
First pressure proof watch invented by Rolex.
1954
First watch with Helium escape valve for deep sea diving by Rolex.
1955
Atomic clock invented in England.
1957
The first electric wrist watches marketed by Hamilton Watch Co., USA
1965
NASA chooses the OMEGA Speedmaster. Neil Armstrong was the first man on the moon. On his wrist the OMEGA Speedmaster Moon.
1967
Quartz crystal watch module developed in Switzerland and Japan.
1972/73
First electronic chronograph, ESA 9162, with additional module (Dubois Dépraz)
1973
First LCD quartz watch with six-digit digital display made by Seiko.
1974
First mechanical chronograph with vertical clutch by (Seiko)
1976
George Daniels produces the first Co-Axial escapement
1988
Analogue quartz watch using kinetic energy source, marketed by Seiko.
1990
Junghans introduced the first radio controlled analogue watch.
1997
Omega was introduced to the Co-Axial escapement
1998
Launch of the first Omega watch equipped with a Co-Axial escapement.
2001
Launch of the first Chronograph equipped with a Co-Axial escapement.
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