Patek Philippe Ref. 3940 Perpetual Calendar Information Guide

Apr 16, 2020,12:54 PM

Looking to learn more about the Patek Philippe 3940 Perpetual Calendar...

I've put together a guide covering the 3940 production, with a deep dive into the different series, the key characteristics/variants plus some unique editions worth knowing about.

Huge thank you to everyone who contributed, information or photos, it couldn't have come together without you! There are still a few nuances I'd like to cover and I'll be sure to update the article as and when.

Again thank you everyone and I hope you find it useful! All the best, Ben

PS I just signed up to post but no stranger to this wonderful forum!

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Yellow or Rose Gold

 By: BuffaloWatch : April 27th, 2020-10:17
I read your article and found it very helpful. What are your opinions on whether yellow or rose gold would be your choice, if buying your one and only 3940?