Nomos Tangomat Ruthenium Datum
| Brand | Nomos |
| Name | Tangomat Ruthenium Datum |
| Reference | 604 |
| Diameter | 38 mm |
| Material | Stainless Steel Case, Leather Strap |
| Features | Date, Small Seconds, Water resistant to 100 ft |
| Movement | Automatic Self-Winding Mechanical |
| Price | About $4,127 France - about €2,980 |
