Casio CQ-1 Computer Quartz (version 1, Black) Den-Kuro

Production started : December 1976

 

Production Ended : 1977
Original Price : 14,000 Yen
Dimensions 33(H) x 144 (W) x 64 (D) mm
Weight 148 g (including batteries)
Produced in Japan
Power AC
100,117,220 or 240V, 50/60HZ with applicable AC adaptor
DC
Clock - 2 silver oxide batteries (G-13)
Display - 1 AA size dry battery (UM-3, SUM-3 or AM-3)
Power Consumption 0.15W
Battery life:
Clock: G-13 (One year or longer)
Display: UM-3 (about 10 hours in case of continuous use)
Operating brightness
Type of calculator Calculator/Clock/Stopwatch/Alarm
Display 8-digit Digitron tube
No of digits 8
Category Multifunction Calculator
Functions Basic funsctions, constant calculation, time calculation, date calculation and mixed calculation.
Memory no
Technology One Chip LSI, C-Mos-LSI, Crystal oscillator (fork type)
Quantity Produced World first clock/Alarm/Calculator Very succesful sales in 1976
Manual