7. Bifora

Electromechanical wristwatch 1971.

TopicTransistorised Watches With Balance · No. 7Plates1FromWatch — Pieter Doensen

1971	Two coils on the oscillating balance and four fixed magnets. The frequency is 5 Hz. B10 and B11 contain the same movement. B10 is a ladies' and B11 a men's watch.