MTF[PuristS]
13383
Vintage Patek Philippe to identify
Folks,
Here is an interesting test and game of our forumners' ability to identify vintage watches.
My friend inherited these watches from his father who may have acquired them in the 1950s. They could have been gifts from his father's patients as he was a physician in Hong Kong.

The focus is on the Patek Philippe manual wind gold watch. It is hallmarked as 18K yellow gold equivalent.

The case is large (sic) at 35 - 36 mm diameter. It was difficult to measure with a plastic ruler in the semi-darkness of a bar

The case had an unusual cooking pot profile that looked like an ultra-slim watch when on-the-wrist but obviously the movement was concealed in the curved case back. it also has single lugs. I have blanked out the private engraving.
What is the model? I have convinced my friend to have the watches serviced but he is deciding whether to insist on its return to Geneva or to have a local Patek Philippe service centre look at it. Obviously, if it is a rare piece, he will insist on the flight to GVA.
A similar posting is on the PuristSPro Vacheron Constantin forum but there, the focus is on the VC watch shown
Regards,
MTF
Ref 2591
By: watch-guy.com : March 18th, 2011-03:01
Hi mtf I actually used to own that same watch. I cannot remember if it had centre sec or not. The reference books say it is aref2591 (but it should have a cal 23-300 movt. It is a very elegant piece Julian
But the lugs...?
By: MTF : March 18th, 2011-09:00
watch-guy, Thanks for the suggestion. But I thought the Patek Philippe 2591 had 4 tear-drop lugs and 33 mm case diameter, whereas our mystery watch has central mono-lugs and at least 35 mm diameter case...maybe even 36 mm diameter? Regards, MTF
Hi MTF
By: watch-guy.com : March 18th, 2011-13:32
I am pretty sure about the reference number ( Patrizzi Vol1/11 page 99) as well as Ehrhardt/DeMesy but both have no centre seconds. Yours should a 27SC movt -easily confirmed by opening the case back. Quite a few have been sold by AQ and Sothebys but all ...
This is a Ref. ...
By: mac_omega : March 18th, 2011-10:04
Hi, This is a Ref. 2591 without any doubt! It should measure 34,5 mm and I guess you did not take measure correctly in the dark bar with only a ruler! You should take a caliper to take precise dimension. It is not worth to spend a lot of money at Patek Ge...
Thanks all for playing the game
By: MTF : March 19th, 2011-20:14
I'll try to get the owner to let me play with my Bergeon knife and open the watch In any case, he will send it for a service as it has great sentimental value and he can afford the cost. We'll know....eventually. Its the central lugs that are intriguing. ...