1990 Audemars Piguet Quantième Perpetual Calendar 18k yellow Gold Mother of Pearl Dial 25657BA with Box and papers Brand_Vacheron Constantin with applied indices and Tudor’s

with applied indices and Tudor’s signature shield logo anchoring its identity

adding a subtle touch of sophistication

enhancing the dial's elegance

Characterized by its unique and graceful scroll lugs

making it a standout piece in the vintage Rolex market

1990 Audemars Piguet Quantième Perpetual Calendar 18k yellow Gold Mother of Pearl Dial 25657BA with Box and papers Brand_Vacheron Constantin with applied indices and Tudor’sA 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