IWC Portugieser IW5037-01

44.4mm · Armor Gold · Caliber 52616 · 50m

Portugieser Perpetual Calendar 44 Armor Gold / Silver

Brand: IWC
Full reference: IW5037-01
Also written as: IW503701
Collection: Portugieser
Case diameter: 44.4mm
Case thickness: 14.9mm
Lug width: 22mm
Case material: Armor Gold
Crystal: Sapphire
Water resistance: 50m
Caliber: 52616
Dial color: Silver

Related references — same collection

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

IWC

Portugieser

IW5037-02

44.4mmArmor Gold

IWC

Portugieser

IW5037-03

44.4mmWhite Gold

IWC

Portugieser

IW5037-04

44.4mmWhite Gold

IWC

Portugieser

IW3441-01

45.5mmArmor Gold

Compare specifications

Specification	IW5037-01	IW5037-02	IW5037-03	IW5037-04	IW3441-01
Case diameter	44.4mm	44.4mm	44.4mm	44.4mm	45.5mm
Case material	Armor Gold	Armor Gold	White Gold	White Gold	Armor Gold
Water resistance	50m	50m	50m	50m	60m
Caliber	52616	52616	52616	52616	82651

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 11:58:09 JST

WatchBase · IWC IW5037-01

Original collection: Portugieser

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Corrections and data limitations