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IWC Portugieser Constant-Force Tourbillon Double Moon Red Gold / Blue IW5901-06
Reference

IWC Portugieser Constant-Force Tourbillon Double Moon Red Gold / Blue IW5901-06

The IWC Portugieser Constant-Force Tourbillon reference IW5901-06 was made in 2017 as a unique piece. It features a Red Gold case and a Blue dial. Inside ticks the hand-wound caliber 94800.

ReferenceIW5901-06
CollectionPortugieser
Case diameter46 mm
Case materialRed Gold
Case shapeRound
Case backOpen
MovementIWC caliber 94800Minutes
Water resistance30 m
Dial colourBlue
Dial finishSunburst
IndexesArabic Numerals
HandsFeuille
CrystalSapphire
Year introduced2017
Limited editionYes

This is a reference-catalog entry for the IWC Portugieser Constant-Force Tourbillon Double Moon Red Gold / Blue IW5901-06. 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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