Reference
IWC Portofino Chronograph Red Gold / Silver IW3910-25
The IWC IW3910-25 was introduced in 2019 as a replacement for the IW3910-20. It features a stainless steel case and a silver dial.
| Reference | IW3910-25 |
|---|---|
| Collection | Portofino |
| Case diameter | 42 mm |
| Case material | Red Gold |
| Case shape | Round |
| Movement | IWC caliber 75320Hours |
| Water resistance | 30 m |
| Dial colour | Grey |
| Indexes | Stick / Dot |
| Bracelet / strap | Ardiose |
| Year introduced | 2019 |
| Limited edition | Yes |
This is a reference-catalog entry for the IWC Portofino Chronograph Red Gold / Silver IW3910-25. 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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