IWC Portofino Chronograph, Portofino IW3910-31
With its striking push-buttons and functional, technology-inspired dial, this chronograph brings a refreshingly sporty note to the Portofino family. Case: Reference: IW391031; Dial Color: Silver plated; Case: Stainless steel; Strap: Black alligator leather strap; Diameter: 42 mm; Movement: Automatic, self-winding;…
| Reference | IW3910-31 |
|---|---|
| Collection | Portofino |
| Case diameter | 42 mm |
| Case material | Stainless steel |
| Case shape | Round |
| Case back | Closed |
| Movement | 79320 |
| Power reserve | 44 h |
| Dial colour | Silver plated |
| Indexes | Stick / Dot |
| Hands | Feuille |
| Crystal | Sapphire |
| Original retail (USD) | $6,900 |
This is a reference-catalog entry for the IWC Portofino Chronograph, Portofino IW3910-31. 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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