1990 Audemars Piguet Quantième Perpetual Calendar 18k yellow Gold Mother of Pearl Dial 25657BA with Box and papers Brand_Tudor is a notable model within

is a notable model within the Santos de Cartier collection

modern cases

the 5026 offers both technical sophistication and a sleek profile on the wrist

texture and shimmer

1990 Audemars Piguet Quantième Perpetual Calendar 18k yellow Gold Mother of Pearl Dial 25657BA with Box and papers Brand_Tudor is a notable model withinA very rare and unpolished 18k yellow gold Audemars Piguet Quantime Perpetual Calendar reference 25657BA, dating from 1990. This 36mm masterpiece boasts an extremely rare "Mother of Pearl" dial. This example presents cracks inside both sub dials. The perpetual calendar complication is seamlessly integrated into the dial, showcasing the moon phase, day, date and month indications with classic elegance. The unpolished case retains its original sharp