| Blancpain Watch Index | Lange & Sohne Watch Index | How to regulate mechanical watches |
| Case | Dial | Thickness (mm) |
Diameter (mm) |
Bracelet | Calibre | Model Number | Ltd Edtn (pieces) |
| platinum | white | 10.2 | 38 | leather | 5653A | 6057-3442-55B | 201 |
| Link to Villeret Perpetual Calendar section of Blancpain website |