Click image to enlarge


Quartz VFA 39SQC

Daini-Seikosha (now Seiko Instruments) released the 36SQC, a quartz watch equipped with the world’s first CMOS-IC which was developed together with Intersil in 1970. After that this model is equipped with an originally developed and improved CMOS -IC.

Name Quartz VFA 39SQC
Time/Period 1972
Additional information This was the first step of the company’s journey to becoming a general electronic device manufacturer.