IWC Portugieser IW5446-01

44mm · Platinum · Caliber 98845 · 30m

Portugieser Regulateur Tourbillon Platinum / Silver

Brand: IWC
Full reference: IW5446-01
Also written as: IW544601
Collection: Portugieser
Case diameter: 44mm
Case thickness: 12.3mm
Lug width: 22mm
Case material: Platinum
Crystal: Sapphire
Water resistance: 30m
Caliber: 98845
Dial color: Silver

Related references — same collection

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

IWC

Portugieser

IW3940-04

44mmPlatinum

IWC

Portugieser

IW3940-06

44mmPlatinum

IWC

Portugieser

IW3940-07

44mmPlatinum

IWC

Portugieser

IW3940-08

44mmPlatinum

Compare specifications

Specification	IW5446-01	IW3940-04	IW3940-06	IW3940-07	IW3940-08
Case diameter	44mm	44mm	44mm	44mm	44mm
Case material	Platinum	Platinum	Platinum	Platinum	Platinum
Water resistance	30m	30m	30m	30m	30m
Caliber	98845	89900	89900	89900	89900

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 12:02:13 JST

WatchBase · IWC IW5446-01

Original collection: Portugieser

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Corrections and data limitations