quattro[Moderator]
6573
Some of my favorite perpetual calendars from AP
AP has been doing this complication so well and in so diverse ways over the years.
Some comprehensive articles have been written on this topic: for example here
by Wei Koh and here by
JX Su.
HAGWE!
Edward Piguet ref. 25682BA

credit: CCNY
Millenary ref. 25899OR.O.0067CR.01

credit: Luxewatch
Metropolis ref. 25919PT


credit: lunaroyster & the keystone (for the wrist shot only)
Tradition ref. 26051PT.OO.D092CR.01

credit: Sjx (1st photo) & the watch club London
Ref. 5548



credit: tokant
Code 11.59 ref. 26394BC.OO.D027KB.01

credit: monochrome
Royal Oak ref. 25820ST with blue mother of pearl dial

credit: timeXchange
Royal Oak RD#2 and ref. 26586TI

credit: Hodinkee