Audemars Piguet’s introduction of the ‘Quantième Perpétuel Automatique’ line of ultra-thin perpetual calendar wristwatches with an automatic movement in 1978 has been one the most significant innovations in watchmaking in the last 50 years.
This 25657 is executed in a slim 18k yellow gold case, measuring in at a classic 36 mm. The case features a lovely stepped bezel, elegant downturned lugs, and a small crown. Only 1'309 pieces of this reference were produced in yellow gold between 1982 and 1993.
Audemars Piguet’s introduction of the ‘Quantième Perpétuel Automatique’ line of ultra-thin perpetual calendar wristwatches with an automatic movement in 1978 has been one the most significant innovations in watchmaking in the last 50 years.
This 25657 is executed in a slim 18k yellow gold case, measuring in at a classic 36 mm. The case features a lovely stepped bezel, elegant downturned lugs, and a small crown. Only 1'309 pieces of this reference were produced in yellow gold between 1982 and 1993.