IWC Portugieser IW371631

IWC Portugieser IW371631

41mm · Ceramic, Titanium, All Black · Caliber 69355 · 30m

IWC Schaffhausen Portugieser Chronograph Ceratanium®

Brand
IWC
Full reference
IW371631
Collection
Portugieser
Case diameter
41mm
Case material
Ceramic, Titanium, All Black
Water resistance
30m
Movement
Automatic
Caliber
69355
Power reserve
46 hours
Functions / complications
Small Seconds, Chronograph
Dial color
Black
Bracelet / strap
Rubber

Related references — same collection

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

Compare specifications

SpecificationIW371631IW3716-01IW3716-02IW3716-03IW3716-04
Case diameter41mm41mm41mm41mm41mm
Case materialCeramic, Titanium, All BlackStainless SteelStainless SteelRed GoldStainless Steel
Water resistance30m30m30m30m30m
MovementAutomatic————
Caliber6935569355693556935569355
Power reserve46 hours————

Sources & record notes

Displayed specifications follow the most complete source record. Other source records are retained below; conflicting values are not silently combined. The Watch Pages.

The Watch Pages · IWC Schaffhausen IW371631

Original collection: Not recorded

Technical Specifications / Date Added: February 26, 2026
Technical Specifications / Reference: IW371631
Technical Specifications / Brand: IWC Schaffhausen
Technical Specifications / Case Size: 41mm
Technical Specifications / Case Material: Ceramic, Titanium, All Black
Technical Specifications / Dial Color: Black
Technical Specifications / Movement: Automatic
Technical Specifications / Caliber: 69355
Technical Specifications / Power Reserve: 46 hours
Technical Specifications / Water Resistance: 30m
Technical Specifications / Strap Material: Rubber
Technical Specifications / Strap Color: Black
Technical Specifications / Buckle Type: Pin
Technical Specifications / Style: Sporty
Technical Specifications / Special Features: Open Case Back, Limited Edition, Water Resistant
Technical Specifications / Limited Edition: Limited to 1500 pieces
Technical Specifications / Complications: Small Seconds, Chronograph
WatchTraderHub · IWC Schaffhausen IW371631

Original collection: Portugieser

structured_data / Brand: IWC Schaffhausen
structured_data / Reference Number: IW371631
structured_data / Collection: Portugieser
structured_data / Case Diameter: 41mm
structured_data / Case Material: Titanium
structured_data / Water Resistance: 30m
structured_data / Crystal: Sapphire Crystal
structured_data / Movement Type: Automatic
structured_data / Caliber: 69355
structured_data / Bracelet/Strap: Rubber
structured_data / Feature: Chronograph
structured_data / Feature: Display back
structured_data / Feature: Limited Edition
structured_data / Feature: Small seconds

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Corrections and data limitations