| Brand | Blancpain |
| Name | Tourbillon perpetual calendar |
| Reference | 4225-3642-55B |
| Diameter | 42 mm |
| Material | Pink Gold Case, Leather Strap |
| Features | Date, Date Pointer, Day of the Week, Month, Perpetual Calendar, Power Reserve Indicator, Water resistant to 300 ft, Tourbillon |
| Movement | Automatic Self-Winding Mechanical |
| Price | About $163,264 France - about €117,880 |