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Patek Philippe Celestial 6105G-001: A Stellar Blend of Tradition and Innovation

April 14
At Watches and Wonders 2026, Patek Philippe introduces a groundbreaking astronomical complication, the Reference 6105G-001. This timepiece, evolving from the esteemed Celestial line, features a remarkably contemporary design. It showcases a multi-layered dial with independently rotating discs that meticulously map the night sky as observed from Geneva, including the celestial motion of stars and the lunar phases. Uniquely, it is the first Patek Philippe wristwatch to incorporate adjustable sunrise and sunset times, effortlessly accommodating summer and winter time changes with a simple corrector.

Experience the Cosmos on Your Wrist: Patek Philippe's New Celestial Masterpiece with Day-Night Precision

Patek Philippe's Enduring Legacy in Astronomical Complications

In the realm of horology, only a select few brands venture into the intricate world of astronomical grand complications, where unparalleled skill, innovative spirit, and deep-rooted tradition converge. Patek Philippe stands prominently among these elite manufacturers, boasting a rich heritage in crafting timepieces that continually redefine mechanical excellence and push the boundaries of precision.

Revolutionary Daylight Saving Time Adaptation

Historically, wristwatches rarely integrated sunrise and sunset indications, and those that did typically relied on winter time settings, necessitating manual adjustments for daylight saving. Patek Philippe's new 6105G-001 addresses this challenge with an ingenious solution, offering the first wristwatch with sunrise and sunset displays that seamlessly adapt to daylight saving time, eliminating the need for constant recalibration by the wearer.

A Glimpse into Patek Philippe's Historical Mastery of Celestial Displays

Before delving into the specifics of this new creation, it's worth noting the brand's profound historical engagement with astronomical complications. Sunrise and sunset indications have graced some of Patek Philippe's most legendary grand complications, including the iconic pocket watches crafted for James Ward Packard and Henry Graves Junior, as well as the more recent Calibre 89 and Star Caliber 2000. The 6105G-001 proudly continues this legacy as the brand's inaugural wristwatch to feature this intricate complication.

Innovative Design and Patented Mechanisms Behind the Celestial Display

Building upon the foundation of the Celestial collection, the new Reference 6105G-001 is the culmination of five years of dedicated development and incorporates six distinct patents. Its most notable innovation is a sophisticated mechanism that accurately corrects sunrise and sunset times for both summer and winter periods, a feature previously unseen in this form.

The Intricate Multi-Layered Dial: A Celestial Symphony

Like its Celestial predecessors, the 6105G features an extraordinary multi-layered dial composed of several stacked discs. These discs rotate independently to replicate the celestial sphere, displaying the apparent movement of stars as viewed from Geneva, alongside the moon's phases and orbit. A sapphire disc depicts the mobile sky chart, rotating every 23 hours and 56 minutes, with the star chart on the front and the Milky Way on the reverse for enhanced visual depth. A second PVD-coated sapphire disc, mounted on an aluminum wheel, illustrates the moon's 24-hour and 50-minute rotation, revealing a third mineral crystal disc that accurately reproduces the lunar phases, achieving an astonishing precision of just one day's deviation every 3000 years.

Harmonizing Date and Astronomical Indications with Aesthetic Balance

This mesmerizing celestial display is elegantly complemented by a date disc positioned at the dial's periphery. This disc not only indicates the date via a dedicated hand but also integrates the sunrise and sunset indicators, marked by two white baton-style hands. To ensure a visually harmonious and symmetrical presentation, the date disc is thoughtfully angled, with the numeral 1 strategically placed off-center, deviating from conventional date display layouts.

The Ingenious Mechanism for Sunrise and Sunset Accuracy

The precise display of sunrise and sunset is governed by an advanced mechanism featuring two ovoid cams, which meticulously replicate their annual cycle for Geneva. A patented double feeler system accurately reads these indications from the cams. These feelers move linearly through a sophisticated assembly of two racks guided by a flexible component comprising two pairs of four arms. This integrated, compact, and highly precise component replaces numerous traditional mechanically assembled parts, minimizing contact, play, friction, wear, and lubrication needs. This innovative design also contributes significantly to the movement's remarkable slimness, with gear trains subsequently transmitting this precise information to the respective hands.

Effortless Transition Between Seasonal Times

Transitioning between winter and summer time is remarkably straightforward and user-friendly. Two strategically placed correctors on the case band, at 8 and 10 o'clock, enable the seamless adjustment. A built-in security system prevents accidental multiple activations. From a technical perspective, a single press on either pusher triggers three coordinated actions: the current time is adjusted by one hour, the date wheel rotates by 1/31st, and the date hand repositions accordingly to maintain the correct date. This ingenious rotation of the date disc, which also serves the sunrise and sunset indications, facilitates their automatic adaptation to daylight saving time.

The Sophisticated Caliber 240 C LU CL LCSO: A Marvel of Miniaturization

Powering this horological masterpiece is the new automatic 238 240 C LU CL LCSO calibre. Operating at 21,600 vibrations per hour, it offers a robust 48-hour power reserve. Derived from the renowned Calibre 240, it incorporates a 22 ct. gold micro-rotor. Despite its complex architecture and a total of 426 components, the movement maintains an impressive slimness, measuring only 7.93mm in height.

A Contemporary Aesthetic: The White Gold Case and Integrated Strap

This horological marvel is encased in a 47mm white gold case, which exhibits a surprisingly modern aesthetic for a Patek Philippe creation. Its lugless design ingeniously makes the watch appear more compact on the wrist than its actual diameter suggests. Both the case band and the solid case back—a distinctive feature for a Patek Philippe—are adorned with a contemporary X-shaped decoration. The two crowns, positioned at 4 and 2 o'clock, serve to wind and set the time, and adjust the astronomical indications, respectively. A patented system for stem positioning ensures their flawless integration into the case's profile and decor. Additionally, a pusher located at 7:30 on the case band allows for precise date adjustments through sequential actuations.

Concluding Details: Strap, Pricing, and Availability

The Patek Philippe 6105G is presented on an integrated black composite strap, featuring an X-shaped motif that mirrors the decoration on the case, and is secured with a triple folding clasp. This exceptional timepiece is priced at CHF 350,000.

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