SIGNED PIAGET, REF. 14101, MOVEMENT NO. 700'267, CASE NO. 194'021, MANUFACTURED IN 1970

According to the Archives of Piaget, the present watch was manufactured in 1970.

The Beta-21 calibre was developed by a consortium of watch companies, including Piaget, at the Swiss Electronic Research Centre or CEH (Centre Electronique Horloger) in Neuchâtel. It was the first quartz movement for wristwatches with analog display.