Lot Essay
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.
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.