| Brand | Tudor |
| Name | Grantour |
| Reference | 20551N Fly-Back |
| Diameter | 42 mm |
| Material | Stainless Steel Case, Leather Strap |
| Features | Chronograph, Bicompax, Flyback, Date, Small Seconds, Water resistant to 300 ft |
| Movement | Automatic Self-Winding Mechanical Power Reserve 42 hours |
| Price | About $6,136 France - about €4,430 |