Perpetual Calendar Watches Comparison Guide
Complications

Perpetual Calendar Watches Comparison Guide

By quattro · Dec 11, 2025 · 43 replies
quattro
WPS member · Horological Meandering forum
43 replies1271 views22 photos
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Emmanuel, known as quattro on WatchProSite, presents a compelling comparison between two horological titans: the Patek Philippe ref. 3941J and the Audemars Piguet ref. 25668BA. His original post, rich with detailed imagery, invites collectors to weigh the merits of these self-winding perpetual calendars. This article synthesizes community insights, offering a timeless perspective on these iconic references.

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Two self-winding Perpetual Calendars:
Do you have a preference?

Best, Emmanuel













































credit: @penny_watch_seoul 

Key Points from the Discussion

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The Discussion
MD
mdg
Dec 11, 2025

...maybe a slight edge to the 3941 as it's a tad more readable, and maybe the classic PC...

M4
M4
Dec 11, 2025

The frontside just has more character in my eyes. I will confess that the uber cool strap probably influences my opinion to a degree. I also prefer full size rotors to micro rotors. The PP gets a check mark for superior legibility but it just doesn't excite me like the AP. Thanks for the post. M4

KC
KCLQMULKU
Dec 11, 2025

Masterpieces in their own right!

BR
bruckner4
Dec 11, 2025

Think I'd go for the AP here. Don't always love skeleton pieces, but this one's a sweetheart (despite its readability issues). I'd perhaps find a different strap ;-)

JL
jlux
Dec 11, 2025

The finish of the dial and movement just wins me over !!

QU
quattro
Dec 11, 2025

given my conservative tastes. But here, I feel attracted to the AP. I prefer the 4 subdials layout and somehow the “crazy” aesthetic appeals to me. Best, Emmanuel

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