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Making a case for Patek Philippe's ref. 5123 with cal. 215 PS ?

 

The release of the new Calatrava ref. 6196P got me thinking (a thread dedicated to this reference can be found here). 


It uses the 30-255 PS caliber which was introduced in 2021 with the ref. 6119. With its diameter of 31 mm, this caliber is much better suited to cases of 37-38 mm than the previous caliber 215 PS, which is only 21.9 mm large.


(credit: hodinkee)


However, I happen to like the design/architecture of the 215 PS much more than the one of the 30-255 PS: I find it both more faithful to traditional watchmaking and more pleasing to look at (just my personal taste, of course).

And it reminded me that, in 2012, Patek Philippe had made what I consider to be a very interesting attempt to use and even display the caliber 215 PS in a 38 mm case: the very much overlooked Calatrava ref. 5123 has indeed a case which is way too large for this small caliber, but its "disco volante" inspired design makes a strength (or at least an interesting element, imo) of what is, objectively, a weakness.

This design includes a very unusual and surprising 17 mm lug-width, which emphasises the "disco volante" look of the watch, a very round shape which is probably not to everybody's taste, but which I personally like.

Let's have a look (case dimensions: 38 x 8.3 x 39 mm) !


Ref. 5123R-001 (a dedicated review of this model from 2012 by foversta can be found here)










































credit: @thehairywrist (1), @operawatches_zurich (2), @atri.vn (3), JC@toffeesthings (4-7), italy zuola int. fashion limited (8-9), the 1916 company (10-14), lโ€™ora del Gallo (15) & ocrolexguy on rolexforums (16-21)


The "disco volantedesign of the ref. 5123, hiding the lugs beneath the case, finds some of its roots in at least four older models from the 1950s and 1960s: ref. 2501, 2572, 2573 & 2591:


a/ Ref. 2501, with a 34 mm case & powered by cal. 10-200 (to which I dedicated a separate thread)






credit: Paul Duggan fine watches 


b/ Ref. 2572 with a 36 mm case & powered by cal. 10-200










credit: pascal karp


c/ Ref. 2573 with a 33 mm case & powered by cal. 10-200









credit: warren's watches (1), atelier tempus (2-4) & loupe this (5)


d/ Ref. 2591 with a 34 mm LUG-LESS case & powered by cal. 23-300 without small seconds






credit: wind vintage (1-2) & coinwatcco (3)


As a conclusion, let me just add this interview with Philippe Stern by Jean-Philippe Arm, where Patek Philippe's honorary President explains the conception of the ref. 5123. This interview comes from the Patek Philippe Magazine, volume III, nยฐ 8, and was kindly pointed out and forwarded to me by bruckner4.




credit: Patek Philippe Magazine, volume III, nยฐ 8


Thanks for reading!

Best, Emmanuel


Review of the ref. 5123 by Tim Mosso

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