IWC Portugieser Perpetual Calendar Moon Phase 44mm Rose Gold Ref. IW503701
The IWC Portugieser Perpetual Calendar (Ref. IW503701) is an exceptional Swiss luxury timepiece that combines the timeless elegance of the Portugieser collection with one of haute horlogerie’s most sophisticated complications, By Geneva Watch Company. Presented in very good pre-owned condition, this impressive model features a luxurious 44 mm rose gold case with a refined silver-white dial, creating a distinguished and elegant presence.
The beautifully balanced dial features classic Arabic numeral hour markers and an advanced perpetual calendar, displaying the date, weekday, month, and year, together with an elegant moon phase complication. Powered by the sophisticated IWC calibre 52616 movement, the watch delivers an impressive 168-hour power reserve, equivalent to approximately 7 days. Protected by a scratch-resistant sapphire crystal and offering 5 ATM water resistance, this exceptional Portugieser is completed with a luxurious alligator leather strap. Combining rose gold craftsmanship, perpetual calendar functionality, moon phase indication, and iconic Portugieser design, the Ref. IW503701 is a remarkable collector’s timepiece showcasing the finest traditions of Swiss watchmaking.






