IWC Portugieser IW5703-03

42mm · Stainless Steel · Caliber 62060

Portuguese Hand-wound Pure Classic Stainless Steel / Silver

Brand: IWC
Full reference: IW5703-03
Also written as: IW570303
Collection: Portugieser
Case diameter: 42mm
Case material: Stainless Steel
Crystal: Sapphire
Caliber: 62060
Dial color: Silver

Related references — same collection

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

IWC

Portugieser

IW5703-02

42mmStainless Steel

IWC

Portugieser

IW3903-02

42mmStainless Steel

IWC

Portugieser

IW3903-03

42mmStainless Steel

IWC

Portugieser

IW390302

42mmStainless Steel

Compare specifications

Specification	IW5703-03	IW5703-02	IW3903-02	IW3903-03	IW390302
Case diameter	42mm	42mm	42mm	42mm	42mm
Case material	Stainless Steel	Stainless Steel	Stainless Steel	Stainless Steel	Stainless Steel
Water resistance	—	—	30m	30m	60m
Movement	—	—	—	—	Automatic
Caliber	62060	62060	89361	89361	89361
Power reserve	—	—	—	—	68 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 12:03:53 JST

WatchBase · IWC IW5703-03

Original collection: Portugieser

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Corrections and data limitations