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IWC Portofino Chronograph Stainless Steel / Black / Alligator IW3910-29
Reference

IWC Portofino Chronograph Stainless Steel / Black / Alligator IW3910-29

The IWC Portofino Chronograph IW3910-29 was introduced in 2019 as a replacement for the earlier IW3910-08.

ReferenceIW3910-29
CollectionPortofino
Case diameter42 mm
Case materialStainless Steel
Case shapeRound
Case backClosed
MovementIWC caliber 75320Hours
Water resistance30 m
Dial colourBlack
IndexesStick / Dot
HandsFeuille
CrystalSapphire
Year introduced2019
Limited editionYes

This is a reference-catalog entry for the IWC Portofino Chronograph Stainless Steel / Black / Alligator IW3910-29. WatchFlow's Watch Library lets a dealer attach a reference like this to a piece of stock in one click, so the brand, reference and specs are filled in automatically instead of retyped — then that record drives listings, invoices and reports. See how it fits the wider watch inventory management workflow.

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