| Brand | Glashütte Original |
| Name | Senator Kalenderwoche |
| Reference | 100-05-13-02-04 |
| Diameter | 40 mm |
| Material | Stainless Steel Case, Leather Strap |
| Features | Date, Big Date, Central Seconds Hand, Water resistant to 100 ft, Other |
| Movement | Automatic Self-Winding Mechanical |