IWC Portugieser IW5901-08

46mm · Red Gold · Caliber 94800 · 30m

Portugieser Constant-Force Tourbillon Double Moon Red Gold / Silver

Brand: IWC
Full reference: IW5901-08
Also written as: IW590108
Collection: Portugieser
Case diameter: 46mm
Case thickness: 13.4mm
Case material: Red Gold
Crystal: Sapphire
Water resistance: 30m
Caliber: 94800
Dial color: Silver

Related references — same collection

Shared specifications help discovery; these links do not assert a predecessor or successor relationship.

IWC

Portugieser

IW5901-01

46mmRed Gold

IWC

Portugieser

IW5901-06

46mmRed Gold

IWC

Portugieser

IW5901-07

46mmRed Gold

IWC

Portugieser

IW5901-02

46mmPlatinum

Compare specifications

Specification	IW5901-08	IW5901-01	IW5901-06	IW5901-07	IW5901-02
Case diameter	46mm	46mm	46mm	46mm	46mm
Case material	Red Gold	Red Gold	Red Gold	Red Gold	Platinum
Water resistance	30m	30m	30m	30m	30m
Caliber	94800	94800	94800	94800	94800

Sources & record notes

Displayed specifications follow the most complete source record. Other source records are retained below; conflicting values are not silently combined. WatchBase.

WatchBase ↗ · 2026-09-22 12:04:20 JST

WatchBase · IWC IW5901-08

Original collection: Portugieser

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Corrections and data limitations