Patek Philippe PERPETUAL CALENDAR. SKELETON.
5840P-001 2026-04-14–present or unrecorded end
A Grand Complication Cubitus; Platinum; Bleu
Case
direct Dimensions and fit
Case length45 mm
Case width / diameter45 mm
Case thickness10 mm
Lug-to-lugNot recorded
Lug widthNot recorded
Water resistanceNot recorded
The dimension basis is not currently recorded.
Open dimension source ↗Movement
AutomaticCalibre and mechanism
Calibre28-28 Q SQU
Normalized calibre2828QSQU
GenerationNot recorded
Power reserveNot recorded
Technical data
Linked to sourced calibre programme Conventional winding
ApplicabilityGeneric-with-warning
DirectionCCW
TPD minimum800
TPD target800
TPD maximum800
Conventional winding fields are evidence-linked reference data. They are separate from any device-specific axial-control profile.
Open winding source ↗Market context
Date not recordedMarket-value disposition
No exact-reference public market estimate has been admitted for this record.
Market observations are separate from manufacturer specifications and are not used to fill technical gaps.