Patek Philippe Cubitus Perpetual Calendar 45mm Platinum Skeleton Blue Dial Watch 5840P-001. Platinum 45mm case and bezel all on a blue composite material strap. This watch has a blue sunburst skeleton dial with white golden hands and hour markers. Perpetual calendar functions displayed across the three sub-dials. Sapphire crystal glass and power reserve up to 48 hours. Self-winding mechanical movement. Caliber 28-28 Q SQU.

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