Patek Philippe Yellow Gold Perpetual Calendar Minute Repeater Ref. 5013

Patek Philippe Platinum Perpetual Calendar Watch Ref. 5040

Breguet Yellow Gold Perpetual Calendar Watch Ref. 3050BA, Early Series

Patek Philippe Platinum Perpetual Calendar Chronograph Ref. 5970

Audemars Piguet Yellow Gold Perpetual Calendar Ruby and Diamond Watch, Likely Piece Unique

Audemars Piguet Yellow Gold Royal Oak Perpetual Watch Ref. 25554BA in Outstanding Original Condition

Patek Philippe Platinum Perpetual Calendar Minute Repeater Watch Ref. 5374

Audemars Piguet Yellow Gold Royal Oak Skeleton Perpetual Ref. 25636BA

Patek Philippe Yellow Gold Perpetual Calendar Pocket Watch Ref. 725/2

Patek Philippe Platinum Perpetual Calendar Split Seconds Chronograph Ref. 5004P with Unique Red Numeral 2 (Private Sale)

Patek Philippe Yellow Gold Perpetual Calendar Ref. 3448 on a Bracelet (Private Sale)

Patek Philippe Rose Gold Perpetual Calendar Watch Ref. 5013 (Private Sale)

Vacheron Constantin Platinum Perpetual Ref. 43031