Reference
IWC Portofino Chronograph 150 Years Stainless Steel / Blue IW3910-23
The IWC Portofino Chronograph IW3910-23 was introduced in 2018 as a limited edition of 2000 pieces celebrating IWC's 150th anniversary. It features a stainless steel case and a blue lacquered dial
| Reference | IW3910-23 |
|---|---|
| Collection | Portofino |
| Case diameter | 42 mm |
| Case material | Stainless Steel |
| Case shape | Round |
| Case back | Closed |
| Lug width | 20.00 mm mm |
| Movement | IWC caliber 79320Hours |
| Water resistance | 30 m |
| Dial colour | Blue |
| Indexes | Stick / Dot |
| Hands | Losange |
| Crystal | Sapphire |
| Year introduced | 2018 |
| Limited edition | Yes |
This is a reference-catalog entry for the IWC Portofino Chronograph 150 Years Stainless Steel / Blue IW3910-23. 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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