New Release · Announced 2026-04-14
Patek Philippe Cubitus Perpetual Calendar Ref. 5840P-001
Less than two years after the Cubitus debuted, Patek Philippe added its most complicated version: a perpetual calendar built on an all-new in-house square movement, Caliber 28-28 Q SQU, with a skeletonized mainplate and micro-rotor. The case measures 45mm wide and just 10mm thick despite the movement's 313 parts, and the sunburst blue dial echoes the movement's openworked motif — a technically ambitious addition to a still-young collection.
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