
IWC Portofino Automatic Moonphase Red Gold / Silver IW4594-03
The IWC Portofino Automatic Moon Phase IW4594-03 debuted in 2025. This model features a 40 mm case in 18k red gold, fitted with a sapphire crystal and a solid caseback. Water resistance is 30 meters. It is delivered on a black alligator leather strap.The dial is silver-plated, paired with gold-plated feuille hands…
| Reference | IW4594-03 |
|---|---|
| Collection | Portofino |
| Case diameter | 40 mm |
| Case material | Red Gold |
| Case shape | Round |
| Case back | Closed |
| Lug width | 20.00 mm mm |
| Movement | IWC caliber 35800Hours |
| Water resistance | 30 m |
| Dial colour | Silver |
| Indexes | Stick / Dot |
| Hands | Feuille |
| Crystal | Sapphire |
| Year introduced | 2025 |
| Limited edition | Yes |
This is a reference-catalog entry for the IWC Portofino Automatic Moonphase Red Gold / Silver IW4594-03. 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