The new Patek Philippe 5304 could be summed up by this simple yet perfect phrase: “What is difficult attracts, the impossible seduces, what is complicated frightens, what is extremely complicated makes you fall in love.” – Paulo Coelho
Since its stablishment in 1839, Patek Philippe has given life to its works of art by blending aesthetic refinement and mechanical perfection in a unique way, confirming itself over the years as one of the most prestigious brands in the world of fine watchmaking.
Try closing your eyes now and imagine a Patek timepiece. I’m willing to bet that most of you have fallen back on a beautiful complication enclosed within a precious metal case. Is it not so?
Indeed, we are well acquainted with the philosophy of the Genevan house: “Complexity should never be at the cost of aesthetics”, technical complexity must never compromise with aesthetics. It is with this important combination, demonstration of supreme technical ability and artistic mastery, that we present today the new “Minute repeater and retrograde perpetual calendar” reference 5304/301R-001.

Presented on the occasion of the Haut Artisanat 2020 – 2021 exhibition together with six other “Grand Complications” models, the reference 5304 / 301R-001 represents the reinterpretation of the reference 5304R-001 in a new Haute Joaillerie version.
In line with the style that has always characterized Patek’s great complications, the timepiece perfectly combines technical mastery with decorative art. In fact, the particularity that most of all draws attention, a real distinctive feature compared to the previous reference, are the 80 baguette-cut diamonds that cover the bezel, the lugs of the bracelet and the folding clasp.
This note of brilliance is called upon to highlight all the mechanical mastery of the Genevan house, highlighting the ingenious calendar display system.

But let’s make a consideration guys, don’t you find it wonderfully cheeky?
Personally, I believe that the effect obtained from the dematerialization of the dial, the transparency that characterizes it and the setting of the precious stones that cover it, represent an explicit call to be observed, and to have the components of the mechanism studied.
Typical attitude of those who have nothing to hide, and who at the same time want to show off all the talent of the brand by giving a definitive push to the envious skeptics.
Let’s proceed step by step though and let’s have fun discovering it in its peculiarities.
Let’s get to the heart of the reference 5304/301R-001 and try to explain why the Patek masters were so good. The technical characteristics are surprising and reflect the common thread of the lineage by combining both the minute repeater and the retrograde perpetual calendar with moon phases.
We are faced with rare complications that only the most experienced watchmakers are able to achieve. Suffice to say that 200 to 300 hours of work are required from the watchmaker to assemble a minute repeater, and this is only possible after decades of experience, which is essential to reach the level of watchmaking skill necessary for this job.

In order to highlight the mechanical manufacture of the object, reflecting the vanity with which it was conceived, Patek Philippe uses an ingenious system of displaying the day, the month and the leap year cycle based on the rotation of three discs in transparent sapphire that seem to float on the dial.
The retrograde display of the date, on the other hand, is entrusted to a very fine sphere that runs from 7 to 5 o’clock characterized by a red crescent that indicates the number on the graduated ring on the edge of the dial. Using a specific spiral spring, the retrograde hand returns to position 1 instantly after reaching 28, 29, 30 or 31 depending on the month and the leap year cycle. The perpetual is finally completed by the small seconds at 6 o’clock accompanied by the complication of the moon phases.
Integrated to the middle case we find the cursor that activates the queen of all complications, the minute repeater, characterized by the classic ringtone on two timbres. From the bottom of the sapphire crystal case, it is possible to admire the complex mechanism of the repetition.

A little curiosity, it is a tradition at PP that all repeater watches are checked by the president himself before they leave the factory and reach collectors from all over the world, a custom that says a lot about the high quality of the Genevan house.
We have already referred to his brazenness in the previous paragraphs, but let’s go into the specifics and try to understand by what means of seduction the reference 5304/301R-001 tries to fascinate collectors. Son of the baroque current of the Patek family, the new minute repeater and retrograde perpetual calendar, uses its 6.22 ct of diamonds set on the bezel, on the lugs and on the clasp as the main element of attraction.

The rose gold case with a generous 43 mm diameter and 13.3 mm thickness recalls the features of its predecessor with sweet and soft lines.
Così come gli accessori perfezionano lo stile di una signora, gli inserti in oro bianco con inciso un motivo a foglia applicati nei fianchi della cassa, sulle anse e sul cursore della ripetizione minuti perfezionano l’estetica e l’eleganza di questo segnatempo.
Just as the accessories perfect a lady’s style, the white gold inserts with a leaf motif engraved on the sides of the case, on the lugs and on the minute repeater slider perfect the aesthetics and elegance of this timepiece.
The openworked hour and minute hands with leaf in black lacquered white gold are deliberately conceived in order to be discreet, avoiding obstructing the free view of the complex engineering of the movement.
The indication of day, month and leap year, on the other hand, occurs through three windows on a black background with white indications, while the date digits develop in a crescent shape along the edge of the dial.

The bottom of the case is another explicit reference to admire the object. Made of sapphire crystal, it allows you to explore both the architecture of the R 27 PS QR LU caliber and the complex minute repeater movement and the mini rotor placed under the Calatrava cross.
The timepiece design is finished off with a shiny black square-scaled alligator bracelet. The folding clasp depicting the maison’s symbol is conspicuously surrounded by a band made up of 22 diamonds.

The beating heart of the reference 5304/301R-001 is entrusted to the tried and tested R 27 PS QR LU self-winding caliber with minute repeater, perpetual calendar and retrograde date hand. The technical characteristics see the union of 517 components in 28 mm in diameter and 7.23 mm in thickness.
Observing the movement from the caseback we notice the mini rotor characterized by an off-center working segment in 22 ct rose gold. The 21,600 vibrations per hour of the balance wheel give the caliber an extreme running precision that does not exceed -3 / + 2 seconds per day, certified by the PP seal visible on the back.

Properly set, the perpetual calendar mechanism will function without the need for adjustments until February 28, 2100, the year in which the Gregorian calendar exceptionally suppresses February 29.

The choice to use 22 kt gold for the decentralized rotor is not only due to an aesthetic factor. In fact, the specific weight of gold, higher than other metals commonly used for the purpose, has allowed Patek’s engineers over the years to develop a smaller size mini rotor.
We previously mentioned how the timepiece, if set correctly, guarantees operation without the need for additional adjustments up to the year 2100. Let’s see how to properly calibrate the object and above all what actions to avoid during these operations.

Let’s start by saying that all the settings made by acting on the various correctors must only be made using the appropriate equipment. I strongly advise against the use of any other tool than the original one provided. Another fundamental rule to follow is to adjust the date and moon phases exclusively at 7:00 am, so that the date change mechanisms are completely disconnected.
Specifically, the day, month and year adjustments are made in a very simple way using the appropriate correctors that act directly on the mechanism.
The setting of the lunar phase, on the other hand, made with prior knowledge of the number of days that have elapsed since the last full moon, takes place by acting directly on the corrector located at 6 o’clock. Pressing the corrector corresponds to a day that has passed since the last full moon. The retrograde count must be done without including the full moon day itself.
Regarding the minute repeater, the only attention to be put in place during its use is to never handle the cursor that activates the device in parallel with setting operations that involve manipulation of the winding crown.
Do not worry, therefore, despite the great complications, the object is quite easy and intuitive.
What can I say guys, after such a deep dive into the technical and aesthetic characteristics of this piece, having studied its brash and vain nature, and having acclaimed its extraordinary engineering, it is time to draw conclusions.
Since its establishment, the Genevan house has always shown its great love for grand complications, balancing both mechanical perfection and aesthetic refinement in its pieces. Not by chance and in perfect harmony with this philosophy, Patek confirms itself also on this occasion, delivering to collectors a very sumptuous object, but at the same time characterized by extreme perfection and mechanical complication.
Called to give an evaluation to the reference 5304 / 301R-001, I can say that the object is extremely high-impact and almost unbalanced, it is extremely devoted to luxury. However, discovering its technical details, studying its complications and admiring its abilities, I find the balance put in place by the maison admirable, considering it as a real strength of the timepiece.
What else the Genevan house has to prove is very difficult to identify, yet even in this extraordinary piece Patek Philippe confirms the mastery of its craftsmen, their savoir-faire and the constant and continuous commitment to research and development as well as reminds all of us the reasons why great collectors around the world are fighting each other with millions to secure these works of art.
Author: Jacopo Invernizzi
Translated by: Enrico Dalla Guerra
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