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Lot Essay
This endangered species strap is shown for display purposes only and is not for sale. The watch will be supplied with a calf leather strap.
According to the Archives of Audemars Piguet, the present watch was sold to Germany in 1989. It was originally fitted with movement no. 249'417 which has been changed against the present one to a later date.
At the time of its launch in 1978, ref. 25657, the Quantième Perpétuel Automatique model, was one of the few perpetual calendar wristwatches available at the period. It incorporated furthermore one of the most important horological innovation of the time, the world’s (still today) thinnest, automatic perpetual calendar movement with an ultra-slim profile of only 3.95 mm., cal. 2120.
The present example is from the C or third series of the model.
According to the Archives of Audemars Piguet, the present watch was sold to Germany in 1989. It was originally fitted with movement no. 249'417 which has been changed against the present one to a later date.
At the time of its launch in 1978, ref. 25657, the Quantième Perpétuel Automatique model, was one of the few perpetual calendar wristwatches available at the period. It incorporated furthermore one of the most important horological innovation of the time, the world’s (still today) thinnest, automatic perpetual calendar movement with an ultra-slim profile of only 3.95 mm., cal. 2120.
The present example is from the C or third series of the model.