Audemars Piguet Quantième Perpetuel Automatique 25657BA

AUDEMARS PIGUET, QUANTIEME PERPETUAL AUTOMATIQUE, REF. 25657BA, CASE NO. C46194 AND 3031 | Christie’s

Circa: 1990 Case material: 18k gold Diameter: 36 mm. Strap material: Brown associated leather strap Dial: Silvered Movement: Automatic Functions: Perpetual calendar and moon phases Buckle: 18k gold Audemars Piguet buckle With: Audemars Piguet Certificat d'Origine et de Garantie, sales tag, setting pin, additional black Audermars Piguet CROCODILE strap, product literature, key, presentation box and outer packaging Certificate: Yes Box: Yes Note: The presentation box that accompanies this lot may not be the original “fitted box”. Please refer to paragraph A in the Conditions of Sale for further information. If you have any queries, please contact Watch Department at watcheshk@christies.com At the time of its launch in 1978, reference 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 thinnest, automatic perpetual calendar movement with an ultra-slim profile of only 3.95 mm., cal. 2120.