Buteco of Bienne, Switzerland, marketed the Binaron Quartz in 1973/4. It contained a stepping motor and a complete electronic module, made by Motorola.
Quartz Watches with Micromotor and hands · No. 14
14. Binaron Quartz
J.14 Binaron Quartz Buteco of Bienne, Switzerland, marketed the Binaron Quartz in 1973/4. It contained a stepping motor and a complete electronic module, made by Motorola.