Patek Philippe Cubitus Perpetual Calendar 5840P

 

 

Introducing the Patek Philippe Cubitus Perpetual Calendar 5840P

 

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On the occasion of Watches & Wonders Geneva 2026, Patek Philippe adds a new member to its Cubitus collection with the introduction of its first complicated timepiece – the perpetual calendar. This watch features a 45mm platinum case, and its skeletonized design and rectangular movement make it stand out.

The Patek Philippe Cubitus collection was launched in October 2024. As the brand's first entirely new watch collection in 25 years, its design unsurprisingly sparked heated discussions among watch enthusiasts. The initial collection includes three watches: Ref. 5812/1A, with a stainless steel case and green dial; Ref. 5812/1AR, with a stainless steel and rose gold case and blue dial; and Ref. 5822P, with a platinum case and large date, day, and moon phase displays. A few months later, Patek Philippe launched Ref. 7128/1G and Ref. 7128/1R, featuring 40mm white gold and rose gold cases respectively, offering more compact, refined, and comfortable options while retaining the collection's unique aesthetic.high quality fake watches

Now, Patek Philippe introduces its first complicated timepiece in the collection—the Cubitus Perpetual Calendar 5840P. This watch features a 45mm platinum case, only 10mm thick, slightly thicker than the 5822P. It continues the design of its predecessors, boasting a slightly curved square silhouette. The polished and satin-brushed surfaces gleam in the light, highlighting the watch's architectural lines. The weight of the platinum material gives the watch a pleasing feel on the wrist. As a signature detail of Patek Philippe platinum watches, the case is set with a diamond; this timepiece features a baguette-cut diamond set on the bezel at 6 o'clock.

The dial features an openwork design, replicating the iconic horizontal texture of the Nautilus and Cubitus series, while showcasing the watch's inner workings. Both the movement and dial utilize the same openwork design, their structures perfectly overlapping. The rectangular movement, with rounded corners, fits seamlessly into the case shape. This is undeniably impressive—not to mention Patek Philippe's consistently exquisite decorative craftsmanship. The monochrome finish of the movement further imbues the watch with an unexpected modernity and distinctive personality. The bridges, rotor bridges, balance wheel, and gold miniature rotor all feature the same rhodium-plated finish. This is no easy feat. For example, different finishes on the mainspring barrel can affect the adjustment of the escapement! Patek Philippe goes a step further, choosing transparent sapphires instead of rubies. The monochrome structure is accented only with blue details. The screws are heat-treated to a blue finish, and the Calatrava cross engraved on the miniature rotor is also printed with blue ink. Breitling Navitimer B02 Chronograph 41 Cosmonaute Artemis II

This timepiece is powered by the self-winding Caliber 28-28 Q SQU, a 313-part automatic movement that displays 12-hour and 24-hour time, minutes, seconds, date, day of the week, month, moon phase, and leap year information. Its base movement is the classic Caliber 240 micro-rotor movement. Notably, the moon phase display features a large design, first seen on the limited edition World Time Moon Phase watches 5575 and 7175 launched in 2014. Traditional moon phase displays use a small window in the center of the dial, showing only a portion of the rotating disc with two moon phases, offering a limited view. To present a larger and more prominent moon phase, Patek Philippe designed a unique moon phase display in the center of the dial. This disc rotates once every 29.53 days. A fixed upper disc, adorned with a precise heart-shaped outline, obscures the darker parts of the moon, displaying only the portion visible on the rotating disc. This large, lifelike moon phase model, renowned for its exquisite detail and use of materials, captures all the poetry of the lunar surface. The Patek Philippe Cubitus Perpetual Calendar watch (model 5840P) features a deep blue composite strap with a fabric texture and beige stitching, and a platinum folding clasp.

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Technical Specifications – Patek Philippe CUBITUS Perpetual Calendar 5840P

Case: 45 mm in diameter (10 o'clock to 4 o'clock), 44.85 mm in width (3 o'clock to 9 o'clock, including crown), 10 mm in thickness – 950 platinum case – Sapphire crystal glass front and back – Screw-down crown – Bezel set with a baguette-cut diamond (0.02 carats) at 6 o'clock – Water resistant to 30 meters

Dial: Skeletonized dial with blue PVD horizontal texture – Gold-plated hour markers – Gold-plated baton hour and minute hands

Movement: Caliber 28-28 Q SQU – In-house automatic movement based on Caliber 240Q – Dimensions: 31.5 mm x 31.5 mm x 5.04 mm – 313 parts, 27 jewels – 22K gold rotor - Gyromax balance wheel, Spiromax hairspring - Frequency: 21,600 vibrations per hour (3 Hz) - Power reserve: 38 hours to 48 hours - Perpetual calendar with date, day, month, leap year display and 24-hour hand indication. Moon phase display - Patek Philippe Seal

Strap: Blue composite strap with Cordura fabric texture, fitted with a patented platinum triple-folding clasp.

Reference Number: 5840P-001