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Version 2.2
8-April-2008

Be prepared to scroll right!

This is my version of the Electric Watch logo timeline; it runs from 1946 through to 1976. The links in this table
take you to closely related pages in this web site only. I've also included memorable events
that took place at the same time as these horological innovations.


1946 1947 1948 1949 1950 1951 1952 1953 1954 1955 1956 1957 1958 1959 1960 1961 1962 1963 1964 1965 1966 1967 1968 1969 1970 1971 1972 1973 1974 1975 1976
Elgin start secret electric watch project
Hamilton research manager shows interest in electric watch
Max Hetzel receives first useful transistors and
files tuning fork patent
Hamilton Ventura and Van Horn go on sale
LIP files patent from transistor version of R 27
Soviet Union successfully launched Sputnik I
Beginning of communist insurgency in South Vietnam
Hamilton Ca. 505 is released
Landeron 4750 comes into production
Bulova Accutron goes on sale
Porta sells LIP R 27 under name Porta-Lip
Kennedy shot dead in Dallas LIP R 50 is released Hamilton Electric production ends
Timex M40 released
Porta PUW 1000 released
ESA 9162 Tuning Fork movement released
First quartz watches go on sale in Japan
America lands man on the Moon
Citizen 7800 Cosmotron goes on sale ESA 9158 Dynotron goes on sale
Last US embassy staff evacuated by helicopter in Vietnam
  LIP and Elgin agree to exchange technical information LIP R 27 goes on sale Landeron 4751 comes into production
Phil Biemiller dies
UMF 25 goes on sale UMF 12 production finishes
Junghans 600 goes on sale
Citizen X-8 Cosmotron goes on sale
First quartz watches tested by Seiko
ESA 9154 Dynotron goes on sale
Accutron 219 goes on sale
Hamilton Pulsar first watch with no moving parts
Four million Accutrons sold ESA stop production of their tuning fork movements
  Dr. John Van Horn tests Hamilton Prototypes Hamilton Cal. 500A is released
Landeron file patent for the future 4750
Max Hetzel moves to New York from Switzerland
Laco 860, Timex M67 released
Elgin 725 released
LIP R 148 is released
The Cuban Missile Crisis
Bulova release Accutron 218
Winston Churchill dies
ESA 9150 Dynotron goes on sale
Seiko 3100 is released
Vietnam War Tet Offensive
Seiko 3700 is released
Porta PUW 2000 is released
 

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