quattro's meticulous overview of the Patek Philippe Ref. 542 HU, one of the brand's earliest and most elusive World Time wristwatches, offers an invaluable resource for collectors. With only four examples believed to exist, this deep dive into their distinct characteristics and recent discoveries highlights the ongoing thrill of horological archaeology. His detailed analysis, informed by expert research, provides critical insights into the subtle variations that define these ultra-rare timepieces.
The ref.
542 HU (“Heures Universelles” - Universal Hours) is one of
Patek Philippe's
earliest World Time wristwatch references.
It is also one of the most singular and rare, with only 4 examples believed to exist.
The very first one as recently been unearthed by Edoardo Bolla.
So, now that the
4 examples are
known, time has come to dedicate a
proper thread to this reference, which I have
previously reviewed inside a thread dedicated to Finnish independent watchmaker
Reima Koivukoski's “
Wanderer”, which is a tribute to the ref. 542.
PATEK PHILIPPE REF. 542
All four examples share 27.1 x 7.8 x 35.3 mm cases made by Wenger with so-called “brancard lugs” and a 10''' HU rhodium-plated caliber.
According to
@minutesdevoyages, who studied this reference in depth and to whom this thread owes a great deal (check
his post here), the
four examples “can be seen as
two different
batches” of
two watches each:
- The first batch includes the two watches with movements nos. 818'180 and 818'200, which are clearly mentioned in Louis Cottier's archives: both feature a smooth bezel with 30 city names in French (except "London" & "California" on no. 818'200) & a single-tone 24h ring.
- The second batch includes the two watches with movements nos. 821'239 and 823'542: both feature a notched bezel with 31 city names in English & a two-tone 24h ring.
Let's have a look at each of them one by one.
1/ Movement n° 818'180
This example from 1937, featuring “globe” or “lunar” gold hands (also called “fancy” hands) and a long signature dial was previously only known through the page 244 of the book by Martin Huber & Alan Banbery, Patek Philippe Genève Wristwatches (photos are from my own copy of the book).
But, very
recently, it was
discovered, clearly
identified by its movement number (818'180) and
posted by
Edoardo Bolla, aka
@tasti_tondi (check
his post here).
And, as you can see, the dial has unfortunately been heavily restored:
- The long signature has been replaced by a short signature (no “& Co.”).
- The single-tone 24h ring has become a two-tone 24h ring.
- The Roman number VI has been reversed or “flipped”.
credit: @tasti_tondi
2/ Movement n° 818’200 & case n° 295’194
This yellow gold example, made in 1928 and sold on 7 October 1938, is now on display at the Patek Philippe Museum (Inv. P-1170).
Its dial, which features “spade” gold hands & a short signature, has also been “heavily” restored, unfortunately.
And, of course, why the city names, which are mainly in French include “London” (instead of “Londres”) and “California” (instead of “Californie”) remains a complete mystery!
Lot 608 at Antiquorum Important Watches, Wristwatches and Clocks, Geneva, Hotel Des Bergues, Oct 15, 1994
Lot 122 at Antiquorum 100 Years of Wristwatches, Geneva, Hotel Des Bergues, Nov 19, 2000
credit: @tellewellyn (1), @minutesdevoyages (2), personal photos (3-6) & Antiquorum (last image)
Below, side by side: Ref. 515 HU (left) - Ref. 1415/1 HU (centre) - Ref. 542 (right)
credit: watch pro
3/ Movement n° 821’239 & case n° 618’276
This example in pink gold, circa 1931, probably sold in 1938, features “bâton” blued steel hands & long signature dial
Lot 193 at Antiquorum Important Collectors, Geneva, Hotel Des Bergues, Oct 20, 1991
Lot 431 at Antiquorum Important Watches, Wristwatches and Clocks, Geneva, Hotel Des Bergues, Oct 17, 1993
credit: Antiquorum
4/ Movement n° 823'542 & case n° 618'277
This example in yellow gold, manufactured in 1938 and sold on 25 November 1938, features “globe” or “lunar” gold hands (also called "fancy" hands) & long signature dial.
The dial of this example appears to have undergone a fairly significant change in color.
Lot 500 at Antiquorum Important Watches, Wristwatches and Clocks, Geneva, Hotel Des Bergues, Apr 10, 1994
Lot 22 at Antiquorum Exceptional Horological Works of Art, Geneva, Oct 19, 2002
Lot 3103 at Christies Important Watches 28 November 2012
credit: Christie’s (1-2), Antiquorum (3-4), Davide Parmegiani (5-9) & @goldberger (10)
Thanks for reading.
And, of course, if you
like the
design, please
check out
Reima Koivukoski's
tribute:
The Wanderer.
Best, Emmanuel
About the Patek Philippe Ref. 5130
The Patek Philippe Complications reference 5130, introduced in 2006, is a World Time watch that succeeded the popular reference 5110. This model maintained the distinctive World Time complication, allowing for simultaneous display of time in 24 different time zones. Its design evolved with a slightly larger case and updated dial aesthetics, distinguishing it from its predecessor while retaining the core functionality that defines Patek Philippe's travel timepieces. It was produced until 2017.
The watch features an 18k rose gold case measuring 39.5mm in diameter and 9.8mm in thickness, housing the self-winding Caliber 240 HU movement. This ultra-thin movement, visible through a sapphire crystal case back, provides a power reserve of 48 hours. The dial is silver or opaline with a guilloché center, protected by a sapphire crystal. Water resistance is rated at 30 meters.
Reference 5130 appeals to collectors seeking a sophisticated travel complication from Patek Philippe. Its larger case size compared to the 5110 offered a more contemporary presence on the wrist, while its classic World Time mechanism remained a hallmark of the brand's technical prowess. The model was available in various precious metals, with the rose gold variant offering a warm aesthetic.
Specifications
- Caliber
- Cal.240 HU
- Case
- 18k rose gold
- Diameter
- 39.5mm
- Dial
- Silver / opaline guilloché
- Water Resist.
- 30m
- Crystal
- Sapphire
About the Patek Philippe Grand Complications Ref. 1938
The Patek Philippe Reference 1938 is a notable example of the brand's early rectangular timepieces, distinguished by its Art Deco design influences. While not as widely recognized as some later models, it represents a period of design exploration for Patek Philippe, particularly in non-circular case forms. Its aesthetic draws inspiration from earlier references such as the 514, 524, and 520, establishing a lineage of design principles that would evolve in subsequent collections. This reference is a testament to the brand's commitment to both horological precision and artistic expression during the interwar period.
This particular reference features a 30mm case crafted from a combination of platinum and rose gold, a sophisticated material pairing that enhances its visual appeal. It houses a manual-wind movement, specifically the 10''' lever escapement caliber, which was a common and reliable mechanism for its era. The dial is characterized by its three-color scheme, adding to the watch's distinctive Art Deco character. The fixed bezel integrates seamlessly with the case design, maintaining the watch's streamlined profile.
For collectors, the Reference 1938 offers insight into Patek Philippe's design trajectory in the early 20th century. Its unique case material combination and three-color dial make it a distinctive piece for those interested in the brand's historical design language. While it predates the more complex complications seen in later Patek Philippe watches, its aesthetic and mechanical integrity appeal to collectors focused on vintage design and the foundational elements of the brand's heritage.
Specifications
- Caliber
- 10''' lever escapement
- Case
- Platinum and rose gold
- Diameter
- 30mm
- Dial
- Three-color
About the Antoine Preziuso Concept Ref. 2000
The Patek Philippe World Time reference 2523, launched in 1953, is distinguished by its innovative two-crown system. One crown serves for winding the watch, while the second, positioned at 9 o’clock, controls the city disc. This design marked a significant development in the functionality and user experience of world time complications for the brand.
The reference 2523 was offered in two primary versions. The initial ref. 2523 featured larger lugs that extended above the bezel, with a case diameter of 35.5 mm. A subsequent variant, ref. 2523/1, presented a slightly larger diameter of 36 mm and thinner lugs that were integrated without extending above the bezel. Both versions were powered by the caliber 12-400 HU, which incorporated the world time module developed by Louis Cottier.
This reference appeals to collectors interested in Patek Philippe's historical advancements in complicated watchmaking, particularly the evolution of its World Time series. The distinct design differences between the 2523 and 2523/1, especially regarding lug integration and case dimensions, provide specific points of interest for enthusiasts tracking the model's development and variations.
Specifications
- Caliber
- 12-400 HU
- Case
- White Gold
- Diameter
- 35.5mm
- Dial
- Silver
- Water Resist.
- 30m
- Crystal
- Sapphire
