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