10 Things to Know about the Patek Philippe Grandmaster Chime

by Barbara Wilson

Patek Philippe, a name synonymous with horological excellence, has consistently pushed the boundaries of watchmaking to achieve new levels of sophistication and innovation. One of the crowning achievements of this pursuit is the Patek Philippe Grandmaster Chime. In this article, we will delve into ten remarkable facts about this exceptional timepiece that showcase the brand’s unwavering commitment to craftsmanship, innovation, and horological artistry.


1. The Most Complicated Patek Philippe Wristwatch

20 Complications: The Grandmaster Chime stands as a testament to Patek Philippe’s technical mastery, boasting an astonishing 20 complications. These include perpetual calendar functions, a moon phase display, a second time zone, and more. Each complication is a testament to the brand’s dedication to pushing the boundaries of what is achievable in watchmaking.


The Pinnacle of Complexity: Patek Philippe’s dedication to achieving complexity culminated in the Grandmaster Chime, which surpassed the previous record-holder, the Calibre 89, with 33 complications. This watch is a tour de force of horological innovation.


2. A First in Double-Faced Wristwatches

Versatile Design: The Grandmaster Chime is a pioneering piece in the world of wristwatches as it is the first double-faced wristwatch presented by Patek Philippe. Wearers have the unique ability to choose which side of the watch to display, offering different sets of complications and aesthetics to suit various occasions.


Dual-Face Elegance: Whether you prefer the richly detailed “Chime” side with the acoustic functions prominently displayed or the “Time” side with a more traditional layout, the Grandmaster Chime’s dual-face design is a remarkable feature that showcases the watch’s versatility and uniqueness.

3. Unprecedented Development Hours

A Monumental Effort: The creation of the Grandmaster Chime required an astonishing 100,000 hours of development, production, and assembly. This monumental effort underscores Patek Philippe’s commitment to perfection and precision.

Dedication to Excellence: Each hour spent in the making of the Grandmaster Chime reflects the brand’s meticulous attention to detail and unwavering dedication to crafting a timepiece that is not just functional but also a work of art.

4. Reversible Case and Dual Dials

Innovative Case Design: The Grandmaster Chime’s case is a true masterpiece of engineering. It features a reversible design, allowing the wearer to switch between two independent dials with ease. This reversible case is not only a functional marvel but also a nod to traditional pocket watches, where reversibility was common.

Versatile Complications: The two dials on the Grandmaster Chime offer distinct complications. One dial focuses on acoustic functions, while the other emphasizes timekeeping and calendar functions. This versatility allows the wearer to choose the most relevant complications for any given moment.

5. Six Patented Innovations

Pioneering Patents: The Grandmaster Chime incorporates six patented innovations that enhance its functionality and set it apart from other watches. These patents encompass various aspects of the watch’s design and mechanics, showcasing Patek Philippe’s continuous pursuit of excellence and innovation.

Innovative Technologies: These patented innovations include mechanisms related to the striking function, perpetual calendar, and alarm function, among others. These technologies are not only impressive from a technical standpoint but also contribute to the watch’s overall elegance and usability.

6. Five Acoustic Functions

Musical Mastery: The Grandmaster Chime isn’t just a visual masterpiece; it’s a musical one too. It features five acoustic functions that allow it to chime and strike the time with precision and clarity. These functions include a Grand and Petite Sonnerie, a minute repeater, a date repeater (patented), and an alarm (patented).

Synchronicity and Precision: The acoustic functions of the Grandmaster Chime are a testament to the brand’s expertise in crafting sonorous and harmonious melodies through intricate mechanisms. Each acoustic function operates with precision and synchronicity, adding an extra layer of fascination to the watch.

7. Innovative Minute Repeater

Acoustic Alarm: The minute repeater function of the Grandmaster Chime serves a dual purpose. It not only chimes the time but also acts as an acoustic alarm, a unique feature in the history of watchmaking. This innovative approach to timekeeping adds practicality and charm to the watch.

Date Indication through Sound: Another groundbreaking feature of the minute repeater is its ability to indicate the date through sound. This ingenious function showcases Patek Philippe’s commitment to pushing the boundaries of traditional complications and incorporating them in innovative ways.

8. Extensive Research and Development

Precision Pursued: The Grandmaster Chime is the result of extensive research and development. Over 100,000 hours were dedicated to perfecting every aspect of this watch. This commitment to precision and excellence is evident in the watch’s flawless execution.

Continuous Improvement: Patek Philippe’s research and development efforts aren’t limited to this watch alone. They reflect the brand’s dedication to continuously improving and innovating in the field of haute horlogerie.

9. Inspiration from the Graves Supercomplication

A Touch of History: The Grandmaster Chime draws its inspiration from the iconic Graves Supercomplication pocket watch, created by Patek Philippe for the American collector Henry Graves Jr. in 1933. The historical significance of this timepiece serves as a touchstone for the Grandmaster Chime’s complexity and grandeur.

Heritage and Continuity: The connection to the Graves Supercomplication represents a bridge between Patek Philippe’s storied past and its commitment to innovation in the present. It pays homage to the brand’s heritage while propelling it into the future of horological excellence.

10. Educational TechNews Videos

Accessible Knowledge: Patek Philippe’s dedication to sharing the beauty of horology extends to educating enthusiasts and collectors. The brand created a series of informative videos known as TechNews. These videos offer easily comprehensible information about the Grandmaster Chime’s features, mechanisms, and history.

Demystifying Complexity: The TechNews videos serve as a valuable resource for watch enthusiasts, allowing them to delve into the intricate details of the Grandmaster Chime in an accessible and engaging manner. It showcases Patek Philippe’s commitment to transparency and education in the world of haute horlogerie.


The Patek Philippe Grandmaster Chime is a masterpiece that embodies the brand’s values of craftsmanship, innovation, and tradition. Its complexity, versatility, and remarkable features make it a standout in the world of watchmaking. With its roots in the Graves Supercomplication and its forward-thinking design, the Grandmaster Chime is a symbol of Patek Philippe’s enduring legacy and its unwavering commitment to pushing the boundaries of what is possible in the world of haute horlogerie. This exceptional timepiece not only tells time but also tells a story of precision, innovation, and artistry that will captivate generations of watch connoisseurs.


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