Reference
IWC Portugieser Constant-Force Tourbillon Double Moon Platinum / Silver IW5901-05
The IWC Portugieser Constant-Force Tourbillon reference IW5901-05 was made in 2016 as a limited edition of 5 pieces. It features a Platinum case and a Silver dial. Inside ticks the hand-wound caliber 94800.
| Reference | IW5901-05 |
|---|---|
| Collection | Portugieser |
| Case diameter | 46 mm |
| Case material | Platinum |
| Case shape | Round |
| Case back | Open |
| Movement | IWC caliber 94800Minutes |
| Water resistance | 30 m |
| Dial colour | Silver |
| Dial finish | Sunburst |
| Indexes | Arabic Numerals |
| Hands | Feuille |
| Crystal | Sapphire |
| Year introduced | 2016 |
| Limited edition | Yes |
This is a reference-catalog entry for the IWC Portugieser Constant-Force Tourbillon Double Moon Platinum / Silver IW5901-05. 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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