IWC Portugieser IW3776-03

45mm · Platinum · Caliber 79091 · 30m

Portugieser Grande Complication Platinum / Bucherer Blue

Brand: IWC
Full reference: IW3776-03
Also written as: IW377603
Collection: Portugieser
Case diameter: 45mm
Case thickness: 16.5mm
Lug width: 22mm
Case material: Platinum
Crystal: Sapphire
Water resistance: 30m
Caliber: 79091
Dial color: Silver

Related references — same collection

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

IWC

Portugieser

IW3774-01

45mmPlatinum

IWC

Portugieser

IW3776-01

45mmPlatinum

IWC

Portugieser

IW377601

45mmPlatinum

IWC

Portugieser

IW3774-02

45mmRed Gold

Compare specifications

Specification	IW3776-03	IW3774-01	IW3776-01	IW377601	IW3774-02
Case diameter	45mm	45mm	45mm	45mm	45mm
Case material	Platinum	Platinum	Platinum	Platinum	Red Gold
Water resistance	30m	30m	30m	30m	30m
Movement	—	—	—	Automatic	—
Caliber	79091	79091	79091	79091	79091
Power reserve	—	—	—	44 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 11:50:11 JST

WatchBase · IWC IW3776-03

Original collection: Portugieser

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Corrections and data limitations