| Bezel | Platinum |
|---|---|
| Bracelet | Leather |
| Brand | IWC |
| Case Material | Platinum |
| Case Size | 45.00 |
| Gender | Male |
| Model | Portugieser Perpetual Calendar Tourbillon |
| Movement | Automatic |
The IWC-manufactured 51950 calibre combines a perpetual calendar with a tourbillon that has 82 individual parts and weighs only 0.635 grams. To make it visible at 12 o’clock, the calendar module’s advance ring was opened, and the moon phase integrated int