JCT
5
3940 or 5140
Im choosing between a 3940 or 5140. I want a perpetual calendar and a self winding patek. My wrist size is 7.5. Would you choose a 3940 or 5140? Thanks.

New Release
Mark in Paris · Mar 16, 2016
Explore Patek Philippe's 2016 novelties from Baselworld, including the 5164R Aquanaut and 5170R chronograph. Mark in Paris reviews new models, design philosophy, and collector reactions.
110 replies84889 views

Innovation
Dje · Apr 7, 2011
Explore Patek Philippe's 5550P with GyromaxSi balance and Oscillomax escapement. A breakthrough in precision horology, advancing the Caliber 240 movement.
96 replies67425 views

Collection
Dje · Dec 28, 2009
Dje explores the Patek Philippe 5146G as an ideal everyday watch. Discover its annual calendar, slate dial, and why collectors love this reference.
73 replies63901 views

New Release
Dje · Mar 9, 2012
Discover Patek Philippe's 2012 Baselworld novelties, including the Ref. 5204 split-seconds perpetual calendar chronograph and Nautilus updates.
76 replies59044 views

Review
Mark in Paris · Feb 10, 2017
Hands-on review of the Patek Philippe 5327 Perpetual Calendar. Compare its new 39mm case, dial, and caliber 240 Q to the 5140.
68 replies42267 views

Review
Mark in Paris · Jan 7, 2016
Explore the Patek Philippe 5940G black dial perpetual calendar. Mark in Paris reviews its cushion case, legibility, and Patek's dial strategy.
47 replies41962 views
Very little difference...
By: dr.kol : November 24th, 2013-22:50
in the size. The case of 3940 is 36 mm and 5140 37.2 mm. The movements are just the same, the bezels a bit different and the dials are also a bit different. I like the dial of 3940 more but I still have 5140. The reason is that the platinum version of 514...
May I suggest...
By: masterspiece : November 25th, 2013-09:09
you going down to your AD and try both of them on your wrist. See it in real life, in the different metals and then buy what you like. As Kari said, they are basically the same but you are the one that will have to wear ~ that will have the privilege of ~...
5140 vote
By: keks : November 25th, 2013-11:24
If you have not already, I would suggest you have a look at one of the recent forum threads that focus on the dial differences between the 3940 and the 5140. Some fair points made on the differences between the two models. I recently went the through the ...