Reference
IWC Portofino Chronograph Stainless Steel / Silver / Milanese IW3910-28
The IWC IW3910-28 was introduced in 2019 as a replacement for the IW3910-09. It features a stainless steel case and a silver dial.
| Reference | IW3910-28 |
|---|---|
| Collection | Portofino |
| Case diameter | 42 mm |
| Case material | Stainless Steel |
| Case shape | Round |
| Case back | Closed |
| Movement | IWC caliber 75320Hours |
| Water resistance | 30 m |
| Dial colour | Silver |
| Indexes | Stick / Dot |
| Hands | Feuille |
| Crystal | Sapphire |
| Year introduced | 2019 |
| Limited edition | Yes |
This is a reference-catalog entry for the IWC Portofino Chronograph Stainless Steel / Silver / Milanese IW3910-28. 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.
Run a sharper watch business
Inventory, invoices, listings, CRM, deals and payments — one clean platform. Free to start, no card.
Start free