| Year |
Month |
Brand History |
| 1918 |
3 |
Shokosha Watch Research Institute, forerunner of Citizen Watch Co., founded |
| 1924 |
12 |
Citizen's first pocket watch manufactured |
| 1930 |
5 |
Citizen Watch Co., Ltd. founded |
| 1931 |
6 |
Citizen's first wristwatch completed |
| 1952 |
3 |
Japan's first wristwatch with calendar marketed |
| 1956 |
4 |
Japan's first shock-resistant watch, "Parashock," marketed |
| 1958 |
1 |
Watch exports to the People's Republic of China begun |
| 1958 |
6 |
Japan's first wristwatch with an alarm, "Citizen Alarm," marketed |
| 1959 |
7 |
Japan's first water-resistant watch, "Parawater," marketed |
| 1962 |
8 |
World's thinnest 3-hands watch developed |
| 1965 |
12 |
Automatic water-resistant wristwatch with day and date, "Crystron Seven," marketed |
| 1966 |
3 |
Japan's first electronic wristwatch "X-8" marketed |
| 1967 |
1 |
World's first transistorized electronic quartz clock, "Crystron," marketed |
| 1971 |
10 |
Tuning fork electronic watch "Hi-Sonic" marketed |
| 1973 |
8 |
Analog quartz watch "Citizen Quartz Crystron" marketed |
| 1976 |
8 |
World's first analog quartz watch using sunlight as power source, "Citizen Quartz Crystron Solar Cell," marketed |
| 1978 |
5 |
Ultra-slim analog quartz watch "Citizen Quartz 790," containing world's first movement to break the "1-mm barrier," marketed |
|
5 |
Quartz watch "Exceed Gold" developed |
| 1978 |
11 |
LCD quartz watch combined with analog quartz watch, "Citizen Quartz Digi-Ana," marketed |
| 1981 |
8 |
World's most pressure resistant watch, "Professional Diver 1,300m" marketed |
| 1986 |
12 |
The annual production quantity of movement become World's No. 1 |
| 1987 |
6 |
"Attesa" titanium watch marketed |
| 1993 |
5 |
World's first multi-zone "Radio-Controlled Watch" marketed |
| 1995 |
5 |
"The Citizen" watch with free 10-year warranty and lifetime repairs marketed |
| 1996 |
4 |
Light-energy powered "Eco-Drive" watch obtained "Eco Mark" |
| 1996 |
11 |
Watch for contemporary woman "xC" marketed |
| 1998 |
12 |
"Promaster Eco-Drive Duo," world's first hybrid power system watch (light power and movement power) marketed |
| 1999 |
6 |
"Attesa Eco-Drive Radio-Controlled Watch" for Japan marketed |
| 2000 |
11 |
Premium watch series "Campanola Collection" marketed |
| 2001 |
4 |
Universal design watch "MU" marketed |
| 2002 |
11 |
World's thinnest Eco-Drive watch "Stiletto" marketed |
| 2003 |
6 |
World's first full metal case Radio Controlled watch with built-in antenna |
| 2005 |
6 |
World's smallest Radio-Controlled watch movement, only 20.8mm x 3.5mm |
