IWC Portugieser IW5446-03

44mm · White Gold · Caliber 98845 · 30m

Portugieser Regulateur Tourbillon White Gold / Ardoise

Brand: IWC
Full reference: IW5446-03
Also written as: IW544603
Collection: Portugieser
Case diameter: 44mm
Case thickness: 12.3mm
Lug width: 22mm
Case material: White Gold
Crystal: Sapphire
Water resistance: 30m
Caliber: 98845
Dial color: Grey

Related references — same collection

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

IWC

Portugieser

IW503703

44mmWhite Gold

IWC

Portugieser

IW503704

44mmWhite Gold

IWC

Portugieser

IW5446-01

44mmPlatinum

IWC

Portugieser

IW5446-02

44mmRose Gold

Compare specifications

Specification	IW5446-03	IW503703	IW503704	IW5446-01	IW5446-02
Case diameter	44mm	44mm	44mm	44mm	44mm
Case material	White Gold	White Gold	White Gold	Platinum	Rose Gold
Water resistance	30m	50m	50m	30m	30m
Movement	—	Automatic	Automatic	—	—
Caliber	98845	52616	52616	98845	98845
Power reserve	—	168 hours	168 hours	—	—

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 12:02:19 JST

WatchBase · IWC IW5446-03

Original collection: Portugieser

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Corrections and data limitations