| Brand | Chronoswiss |
| Name | Perpetual Calendar |
| Reference | CH 1723 |
| Diameter | 40 mm |
| Material | Stainless Steel Case, Leather Strap |
| Features | Date, Date Pointer, Day of the Week, Month, Perpetual Calendar, Moonphase, Central Seconds Hand, Water resistant to 100 ft |
| Movement | Automatic Self-Winding Mechanical |