The Portuguese Perpetual Calendar 44 IW503703 is a perpetual calendar model launched in 2024, Featuring an 18K white gold case, A horizon blue dial, And rhodium-plated hands and appliques. The light blue calfskin strap by Santoni adds a sophisticated touch, And the 44.4mm case and elegant form are characteristic.
Equipped with an IWC in-house automatic movement, It supports complex calendar functions such as date, Day, Month, 4-digit year, And perpetual moon phase. The dial is covered with 15 layers of clear lacquer in a complex 60-step process, And the high-gloss finish, Elaborate printing, And hand-applied applique settings maximize the sense of depth and luxury. It has high-end specifications such as 50-meter water resistance, Double box-type sapphire crystal, And see-through back. The Portuguese Perpetual Calendar 44 IW503703 is a model that is receiving a lot of attention for showcasing IWC’s cutting-edge technology and artistic perfection.

The epitome of pilot watches
IWC
Big Pilot and Mark Series

2024
Notable New Products
2024 Watches and Wonders Review

Genuine VS Fake
What's different?
Anyone can become a Rolex appraiser! Daytona Part 1

A feast of colors
Rolex and Tudor color dials

GMT Master 2
New vs old comparison
GMT Master 2 Buying Guide

Rolex GMT Master Guide (2)
The lineage of the leading brands

The Quiett
Rolex I own
The Quiett Interview Part 2

Rolex new model
Watches and Wonders News

Secondary Market Analysis
Part 2
Is a more expensive watch always better for beginners?

Rolex, Tudor
2024 new products
Watches and Wonders 2024