Patek Philippe · Model Reference
Patek Philippe Perpetual Calendar
A flagship calendar complication accounting for leap years and varying month lengths.
LaunchHistoric lineage
Reference5327 / reference dependent
TypePerpetual calendar
CaseReference dependent
Market Pricing · July 2026
Price guide.
What affects value
Exact reference, case material, dial variant, size, movement generation, condition, service history, full set and whether components are original or service replacements.
Indicative European market ranges in EUR. Exact value depends on reference, configuration, condition, originality, service history, completeness and current demand. This is editorial guidance, not a purchase offer or investment advice.
Model story.
Patek Philippe has produced some of the most influential perpetual-calendar wristwatches.
Movement
Automatic or manual manufacture calibre
Water resistance
Reference dependent
Production status
Current and historic references
Collector note
Correct setting and recent specialist service are essential.
Buyer guide.
Test all indications, leap-year cycle, quick-set functions and documentation.
TimeHunter Insight
Rewarding only when condition, function and long-term servicing are understood.