| Brand | IWC |
| Name | Portugieser Calendrier Perpétuel |
| Reference | IW503401 |
| Diameter | 44 mm |
| Material | White Gold Case, Leather Strap |
| Features | Date, Date Pointer, Day of the Week, Month, Perpetual Calendar, Moonphase, Power Reserve Indicator, Small Seconds, Water resistant to 100 ft |
| Movement | Automatic Self-Winding Mechanical Power Reserve 7 days |
| Price | About $57,754 France - about €41,700 |