Reference
IWC Portofino Automatic 37 Red Gold / 1881 Heritage Boutique IW4581-19
The IWC Portofino ref. IW4581-19 is a special edition celebrating the 10th anniversary of the Hong Kong IWC boutique, located in the 1881 Heritage building, an image of which is engraved on the case back.
| Reference | IW4581-19 |
|---|---|
| Collection | Portofino |
| Case diameter | 37 mm |
| Case material | Red Gold |
| Case shape | Round |
| Case back | Closed |
| Movement | IWC caliber 35111Hours |
| Water resistance | 30 m |
| Dial colour | Silver |
| Indexes | Mixed |
| Hands | Feuille |
| Crystal | Sapphire |
| Year introduced | 2019 |
| Limited edition | Yes |
This is a reference-catalog entry for the IWC Portofino Automatic 37 Red Gold / 1881 Heritage Boutique IW4581-19. 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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