Pre-Owned Patek Philippe Cubitus Perpetual Calendar 45mm Skeleton Dial Platinum 5840P-001

Patek Philippe Cubitus 5840P‑001 — Platinum Skeleton Perpetual Calendar

A museum‑grade Grand Complication, the Patek Philippe Cubitus 5840P‑001 pairs a 45 mm 950 platinum Cubitus case with an openworked blue sunburst dial that exposes the skeletonized calibre 28‑28 Q SQU perpetual calendar. Bold in scale and exquisite in finish, this limited‑production statement watch is engineered for collectors who prize technical spectacle and haute finition.

Key features

• Case material: 950 platinum with square profile and rounded corners.
• Case size: 45 mm diagonal for a commanding wrist presence.
• Dial: Openworked blue sunburst revealing shaped mainplate and bridges; applied white‑gold baton indices and luminescent hands; baguette‑cut diamond accent.
• Movement: Skeletonized automatic calibre 28‑28 Q SQU with 22K gold off‑centre micro‑rotor and museum‑grade finishing.
• Complications: Perpetual calendar (day, date, month, leap year), 24‑hour indicator, moon phase.
• Power reserve: Approx. 38–48 hours.
• Crystal: Sapphire front and exhibition caseback.
• Strap and clasp: Navy blue composite strap with fabric pattern and platinum fold‑over clasp.
• Water resistance: 30 m.

The Cubitus 5840P‑001 transforms technical complexity into visual poetry. Its heavy platinum Cubitus case frames an intricately skeletonized movement so finely finished that every bridge, bevel and screw becomes part of the dial architecture. The blue sunburst treatment adds depth and contrast, while the baguette diamond provides a refined, jewel‑like accent. Visible from both sides, the calibre 28‑28 Q SQU combines perpetual calendar functionality with an off‑centre 22K gold micro‑rotor, delivering both mechanical intelligence and continuous spectacle.

Designed for collectors who accept scale as part of presence, the 45 mm diagonal and square profile read larger than many round watches and create a decisive visual statement. Despite its complexity, the watch retains practical daily functions and the legibility expected of a modern Grand Complication.

For collectors seeking technical showmanship, museum‑grade finishing, and unmistakable presence, the Patek Philippe Cubitus 5840P‑001 is a standout acquisition that blends haute horlogerie with contemporary design.

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