


1977: The first domestic digital quartz watch with calculator.
1978: Thin quartz watch with movement less than 1.00mm thick.
1978: The first domestic combination quartz watch. One movement holds the function of both analogue and digital ,"Citizen Quartz Digi-Ana". Being innovative, it sold more than 1 million pieces.
1982: The world's first quartz divers watch with water resistance to 1300m.
1986 : The annual production quantity of movement become World's No.1.
1987: The world's first digital quartz with sound recognition. Could operate the watch or by voice.
1989: The world's first watch being able to measure altitude and air pressure. Was ideal for outdoor usage.
1993: World's first multi-zone " Radio-Controlled Watch".
1995: The world's first analogue solar watch with alarm chronograph and "The Citizen" watch with free 10-year warranty and lifetime repair.
1996: Light-energy powerd " Eco-Drive" watch obtained " Eco Mark".
1998: "Promaster Eco-Drive Duo", world's first hybrid power system watch (light power and movement power).
1999: "Attesa Eco-Drive Radio-Controlled Watch" for Japan marketed.