Reference
IWC Portofino Automatic Day & Night 37 IW4591-01
IWC Portofino Automatic Day & Night 37 IW4591-01 is a reference in the WatchFlow Watch Library. Key specs: 37 mm, Mother of Pearl, IWC caliber 35700Hours movement, White dial.
| Reference | IW4591-01 |
|---|---|
| Collection | Portofino |
| Case diameter | 37 mm |
| Case material | Mother of Pearl |
| Bezel | Gem-Set |
| Case shape | Round |
| Case back | Closed |
| Movement | IWC caliber 35700Hours |
| Water resistance | 30 m |
| Dial colour | White |
| Indexes | Gem-Set Indexes |
| Hands | Feuille |
| Crystal | Sapphire |
| Limited edition | Yes |
This is a reference-catalog entry for the IWC Portofino Automatic Day & Night 37 IW4591-01. 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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