Reference
IWC Portofino Chronograph Stainless Steel / Black / Milanese IW3910-10
IWC Portofino Chronograph Stainless Steel / Black / Milanese IW3910-10 is a reference in the WatchFlow Watch Library. Key specs: 42 mm, Stainless Steel, IWC caliber 75320Hours movement, Black dial.
| Reference | IW3910-10 |
|---|---|
| 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 | Black |
| Indexes | Stick / Dot |
| Hands | Feuille |
| Crystal | Sapphire |
| Year introduced | 2011 |
| Limited edition | Yes |
This is a reference-catalog entry for the IWC Portofino Chronograph Stainless Steel / Black / Milanese IW3910-10. 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