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Hands-On: Patek Philippe World Time 5231J Watch

Hands-On: Patek Philippe World Time 5231J Watch Hands-On

A seminal world timer updated for 2019, the Patek Philippe World Time Ref. 5231J is a horological work of art that is nearly impossible to get.

The Patek Philippe World Time Ref. 5231J is new for 2019, sitting alongside the existing 5231 that comes in a platinum case with that matching platinum beads-of-rice bracelet that defines peak low-key decadence. Housed in a 38.5mm-wide and 10.23mm-tall yellow gold case, the 5231J is slightly smaller than the 39.5mm wide 5231. This is the same case you’ll find on the 5230 world timers, which are a little more accessible, due to the fact that they have the less elaborate guilloché center dial rather than the enamel. The smaller 38.5mm-wide case is preferable, though, as it doesn’t have the “Patek Philippe” text engraved on the bezel at 12 o’clock and “Genève” at 6 o’clock. I just think contemporary tastes don’t lean toward bezel engravings (or elaborately stylized fonts, for that matter).

Hands-On: Patek Philippe World Time 5231J Watch Hands-On

Several people have rightfully pointed out how the 5231J is reminiscent of the highly rare Ref. 2523 (which sell in auction for well into the millions of dollars), introduced in the mid-1950s and, perhaps, the grail Patek Philippe world time watch. Notably, the winglet-style lugs and polished flat bezel that you’ll see on this case were introduced with the 5230 world timer in 2016. This was a big year for changes to the world time watch due to global governmental changes like Moscow shifting from UTC+4 to UTC+3 and global power shifts resulting in new cities for a time zone (Dubai replacing Riyadh would be one).

Hands-On: Patek Philippe World Time 5231J Watch Hands-On

The Enamel Dial

The 5231J is characterized by the cloisonné enamel planisphere at the center of the dial. Cloisonné is one of four enameling techniques Patek uses. The process involves taking a thin gold wire and bending it to the shape of an intended design. The wire is then fixed to the baseplate, which has an enamel layer coating. After the cells formed by the wire are filled with enamel, the process then involves several firings, depending on the specific color and effect they’re trying to achieve.

The enamel center depicts Europe, Africa, and the Americas in a series of greens, brown and yellow, and blue for water. It’s absolutely a work of art when you observe it close-up in person. From the center of the enamel dial are the (quite short) 18k yellow gold ring-shaped hour hand and dauphine minute hand. As you could guess, legibility is hampered by having short, polished yellow gold hands over such a rich enamel backdrop. I’d say it’s an unfortunate side effect inherent to the nature of this watch, but I wouldn’t argue with anyone who thinks that the ring-shaped hour hand is an unforced error.


Hands-On: Patek Philippe World Time 5231J Watch Hands-On

The World Time Function

Along the outer ring are the names of 24 cities, each representative of a time zone. At 10 o’clock, you’ll see the pusher that, when engaged, moves the time forward one hour (the minute hand is unaffected), as well as the city ring and 24-hour ring. The red arrow at 12 o’clock will be pointing toward the city that corresponds to the time zone you’re in. Sure, you can’t get quite the precision of a second-time zone indicator that can allow 30 or 45-minute increments (there are a total of 37 time zones, globally, when you consider these), but the ease and elegance of operation here is world-class.

Hands-On: Patek Philippe World Time 5231J Watch Hands-On

And let’s not fool ourselves: A Patek Philippe World Time Watch is one of those things that only Logan Roy from Succession wouldn’t be floored by — though maybe he would have been more impressed with, “It tells you how rich you are in 24 time zones,” rather than boot-licking future son-in-law Tom Wambsgans’ amazingly cringe-worthy line, “It’s incredibly accurate at telling you how rich you are,” when gifting a Patek.

Hands-On: Patek Philippe World Time 5231J Watch Hands-On

The 5231J uses the Caliber 240 HU (that’s Heure Universelle for all you Globeheads out there), which, of 239 parts, including the 22k gold rotor, the 240 HU has a power reserve of 48 hours. What’s really of note about the 240 HU is that it is remarkably thin at just 3.88mm-thick, which is made possible through a patented design that allows for the winding rotor to be integrated with the bridges. In comparison, the Vacheron Constantin Caliber 2460 WT (found in a few pieces, including the Overseas World Time 7700V) is 7.55mm-thick and the Jaeger-LeCoultre Calibre 772 (found in the Geophysic Universal Time) is 7.13mm-thick. As for the Omega Seamaster Aqua Terra world timer, I am not quite certain about the movement’s thickness, but I do know the case measures 15.5mm- thick.

Hands-On: Patek Philippe World Time 5231J Watch Hands-On

Few And Far Between

The World Time Ref. 5131J is one of Patek Philippe’s application pieces, meaning that on top of being few and far between, Patek takes extra steps to make sure not many of them end up in the secondary market. So, where the guilloché dial world time watches are pretty available for around their ~40k list price, these enamel world time watches are hard to come by and reach well into the six figures. However, if you are a Patek Philippe customer buying a new 5131J, it will have a price of $73,710. You can learn more at



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  • Swiss_Cheese

    The watch itself is fine, I’m not a fan of WTs so I’ll leave comment to those who do.

    That aside, from the looks of it Patek sure is cutting back on their catalogue. I remember a few months back they had in the region of 30+ models in the mens Calatrava line alone, now they have 19 and 10 of those are womens models. I’ve heard of cutting back on the cheaper models to maintain exclusivity, but at this rate they’re only going to have the Nautilus, Aquanaut and maybe a couple of GCs.

  • SuperStrapper

    From an aesthetic point of view, I’d take the Aqua Terra. Yes of course this is such a ‘finer’watch but it looks less cohesive to me. The handset is nice but so pathetically tiny in the wee centre dial, it’s the biggest flaw of every world timer watch that uses this style of display. Here is seems to be extrapolated even further by the sharply inward sloping case angles, that really are not very elegant in appearance. AT has better looking globe detail too.
    Lovely movement though.

    • Independent_George

      Beat me to it!

      I was reading through this post, looking at the photos and thinking “I like the AQT-WT better”. I understand that’s heresy among some collectors, but the AQT-WT in Sedna gold looks too me like it’s a better wear. There is something about many Pateks that, too my eyes, come off as “too fine”, like a Ming vase. Beautiful to look at, but I would be concerned about using it for its intended purpose. Admittedly, this is stemming from my ignorance, because while I seen and handled a few Pateks at watch fairs, I have never owned nor worn one for any decent amount of time, so I have no standing to comment on their durability, but to me Pateks always look delicate and fey compared to, say, Lange, which, too me, have a certain Teutonic “strength” to their designs.

      Gorgeous movement.

      • SuperStrapper

        I really do need a micro/mid size rotor in my life. I don’t need to spend anything like this to get there though.

  • NaJo

    I do not understand the PP value craze; this as a watch doesnt ignite any sense into my commonsense except the fact that its a PP!

  • hatster

    Fantastic engineering but I am sorry to say, that the enamel-work reminds me of an early school metalwork project I once saw. A cleaner, simpler centre might make the rest of the watch seem a little more legible. But hey, what do I know, I am not really the market for this watch.

  • Raymond Wilkie

    Quite uninspiring.

    • FS1900

      Are you not “exited”?

      • Raymond Wilkie

        Not saying. Sharing to much.

  • According to Patek Phillipe’s Continental drift theory, the tectonic plates of Greater Asia, India, the Far East including China, Japan, The Korean Peninsula, Taiwan, South East Asian Nations, including Borneo and Oceania have collided, slipped and sinked under the tectonic plates of Europe at the convergent boundaries. 5 billion people have gone missing…

    • egznyc

      I’m sorry, but I cannot be the only one who read this and scratched his head. I’m not following you – but while I was feeling distracted, tectonic plates got me thinking about Teutonic three-quarter plates.

      • Rick Bhowmick

        Look at the map – there is no India, China etc. on it.

        • egznyc

          What sort of map? A political map of the world certainly would; those are the two most populous countries in the world!

          • Rick Bhowmick

            Look at the map on the face of the watch on the article. That’s what @megharajanigatnaidu:disqus was making a point about – that map on the watch face is missing almost half the world’s population a…

  • SuperStrapper

    Well played, the watch that at times tops my list at in this category. Inexplicably in the same price range as that waltz #1 watch that is nice, but nowhere in the range of LUC and uses an externally sourced (albeit very nice) movement:

    In the realm of feasibility I’d also include the bvlgari finissimo. I love the octo in general and think this movement is amazing. The titanium construction and underwhelming dial with annoying eccentric seconds would negate the deal for me outside of an offer that I couldn’t refuse.

    I always come back to the panerai as well: i like the brand (have 2) and really want a 1940 case. But, i want a 42mm 1940 case and this watch doesn’t actually come around that much anyway

    • egznyc

      I love a good looking micro rotor. These are good specimens – except the Panerai is kind of boring IMO.

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