Portugieser Perpetual Calendar IW503404

Portuguese Perpetual Calendar IW503404

View sold prices
View owner photos & reviews
44.2mm, Gray
IWC
IWC
IWC Portuguese Perpetual Calendar IW503404
The IWC Portuguese is one of IWC’s oldest and most iconic collections, Born in 1939 at the request of two Portuguese merchants. The flagship line embodies technical and artistic excellence and boasts a wide range of models, From dress watches to complications and sports watches. The IWC Portuguese Perpetual Calendar IW503404 combines classic beauty with technical sophistication, With a red gold case and a deep grey dial. The impressive case diameter of 44.2 mm and the transparent sapphire glass back allow a glimpse into the beautiful finish of the movement. The heart of this watch is the IWC-manufactured 52615 caliber movement, Which boasts an overwhelming power reserve of 7 days (168 hours) and water resistance to 30 meters. The perpetual calendar function displays the date, Day, Month, And four-digit year, As well as the moon phases for the northern and southern hemispheres. The Pellaton automatic winding system, Small hacking seconds, And double-sided anti-reflective sapphire crystal also provide excellent practicality and durability. The Portuguese Perpetual Calendar is a technical feat that has maintained the calendar accurately for 577 years without any adjustment, And is considered a model that symbolizes IWC's high-end watchmaking. It artistically interprets the flow of time and gives the wearer eternal elegance and class.
Dial Color
Gray
Case material
Rose Gold
Types of bracelets
Leather strap
Glass
Sapphire crystal
Case diameter
44.2mm
Case thickness
14.9mm
Weight
161.5g
Waterproof
30m
Bezel Material
Rose Gold
Movement
Self winding
Caliber
Cal. 52615
Frequency
28, 800 vibrations
Power reserve
About 168 hours
Official Retail Price vs Average Sold Price by Year
YearOfficial retail priceAverage sold price
2025₩62,600,000-
2024₩58,000,000-

Official retail price is based on the first price increase of each year.

IWC Portugieser Perpetual Calendar IW503404
Portugieser Perpetual Calendar IW503404
Portuguese Perpetual Calendar IW503404
44.2mm, Gray
₩29,500,000
IWC
IWC
The epitome of pilot watches
IWC
The epitome of pilot watches IWC
Big Pilot and Mark Series
First half of 2023
Classic watch price analysis
First half of 2023 Classic watch price analysis
What are the performance of the major classic watch models in the first half of the year?
rolex
special birthday party
rolex special birthday party
Anniversary special feature
In the cold winter
warm watch
In the cold winter warm watch
Find a watch that is a little less cold
Rolex acquires Bucherer
What are the future prospects?
Rolex acquires Bucherer What are the future prospects?
Impact of collaboration between manufacturers and distributors
Rolex brother 
Tudor
Rolex brother Tudor
Is there a younger brother as big as the older brother?
Datejust
Datejust
Eternal companion, Eternal icon
Omega Seamaster
SEAMASTER
Omega Seamaster SEAMASTER
Omega's longest-running collection
Depends on the bezel 
clock face
Depends on the bezel clock face
Bezel of the Rolex Classic Line
2024 
Watch Market Review
2024 Watch Market Review
What was the watch market like this year?