Patek Philippe Cubitus 5840P-001 Perpetual Calendar Moon Phases Platinum Blue Openworked Dial (2026)

By Patek Philippe

The Patek Philippe Cubitus 5840P-001 Perpetual Calendar Moon Phases is a bold and contemporary Grand Complication that marks a significant evolution in the brand’s design language. Crafted in platinum, this exceptional timepiece features a striking blue openworked dial, revealing the intricate mechanics beneath while delivering a perfect fusion of avant-garde aesthetics and traditional Swiss watchmaking excellence.

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This remarkable Cubitus model houses the self-winding Caliber 28-28 Q SQU, a shaped perpetual calendar movement specifically designed to follow the square architecture of the case. The openworked dial with horizontal detailing offers a glimpse into the skeletonized movement, displaying day, date, month, leap year, and moon phases with exceptional clarity. The 45mm platinum case with rounded square geometry features alternating polished and satin-brushed finishes, along with a discreet diamond set at 6 o’clock, signifying its precious metal construction. With a power reserve of up to 48 hours and water resistance of approximately 30 meters, this timepiece embodies technical mastery, innovative design, and exclusivity—making it a true collector’s masterpiece within the Cubitus collection.

Available At Shk Watches!

Brand Name Patek Philippe
Model Family Cubitus
Movement Automatic (Self-Winding)
Case Material Platinum
Bracelet Material Composite Strap
Case Dimension 45mm
Box & Papers Full Set
Gender Unisex Watch
Price On Request
Availability At Shk Watches

 

100% Authenticity Guarantee

All watches sold by SHK Watches are guaranteed to be 100% authentic. We are not an authorized retailer. We hand select only the most desirable pieces from a network of trusted vendors and clients who deal directly with the original manufacturers and retail boutiques. On top of this, every watch that we offer goes through a meticulous authentication process by a highly-trained watchmaker to ensure that it is in proper working order and uses all original parts that match the serial number on the original documentation.

100% Authenticity Guarantee

All watches sold by SHK Watches are guaranteed to be 100% authentic. We are not an authorized retailer. We hand select only the most desirable pieces from a network of trusted vendors and clients who deal directly with the original manufacturers and retail boutiques. On top of this, every watch that we offer goes through a meticulous authentication process by a highly-trained watchmaker to ensure that it is in proper working order and uses all original parts that match the serial number on the original documentation.

International Shipping

New and pre-owned watches purchased from SHK Watches are eligible for international shipping, subject to destination specific regulations and courier availability. All international orders are shipped via trusted and insured logistics partners to ensure secure and timely delivery.
Shipping timelines, duties, customs fees, and import taxes vary by country and are the sole responsibility of the buyer. SHK Watches does not have control over customs clearance delays or additional charges imposed by local authorities.

International Shipping

New and pre-owned watches purchased from SHK Watches are eligible for International shipping, subject to destination specific regulations and courier availability. All international orders are shipped via trusted and insured logistics partners to ensure secure and timely delivery.
Shipping timelines, duties, customs fees, and import taxes vary by country and are the sole responsibility of the buyer. SHK Watches does not have control over customs clearance delays or additional charges imposed by local authorities.

Concierge Service

SHK Watches is dedicated to offering the highest level of service available. Owning your next timepiece begins with a simple inquiry via boutique visit, call, text, email, or even Instagram message. From there, one of our concierges will guide you through the process of selecting your next timepiece.


Obtaining the unobtainable has never been so easy. 

Concierge Service

SHK Watches is dedicated to offering the highest level of service available. Owning your next timepiece begins with a simple inquiry via boutique visit, call, text, email, or even Instagram message. From there, one of our concierges will guide you through the process of selecting your next timepiece.


Obtaining the unobtainable has never been so easy. 

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