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IWC Portofino Automatic Moonphase Red Gold / Silver IW4594-03
Reference

IWC Portofino Automatic Moonphase Red Gold / Silver IW4594-03

The IWC Portofino Automatic Moon Phase IW4594-03 debuted in 2025. This model features a 40 mm case in 18k red gold, fitted with a sapphire crystal and a solid caseback. Water resistance is 30 meters. It is delivered on a black alligator leather strap.The dial is silver-plated, paired with gold-plated feuille hands…

ReferenceIW4594-03
CollectionPortofino
Case diameter40 mm
Case materialRed Gold
Case shapeRound
Case backClosed
Lug width20.00 mm mm
MovementIWC caliber 35800Hours
Water resistance30 m
Dial colourSilver
IndexesStick / Dot
HandsFeuille
CrystalSapphire
Year introduced2025
Limited editionYes

This is a reference-catalog entry for the IWC Portofino Automatic Moonphase Red Gold / Silver IW4594-03. WatchFlow's Watch Library lets a dealer attach a reference like this to a piece of stock in one click, so the brand, reference and specs are filled in automatically instead of retyped — then that record drives listings, invoices and reports. See how it fits the wider watch inventory management workflow.

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