| 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) |
| red gold | white | 15.1 | 42 | leather | 40F6 | 4246F-3642-55 | no |
| Link to Le Brassus Split-seconds Chrono section of Blancpain website |