| Brand | Ulysse Nardin |
| Name | Quadrato Dual Time Perpetual |
| Reference | 320-90/91 |
| Diameter | 42 mm |
| Material | White Gold Case, Leather Strap |
| Features | Big Date, Day of the Week, Month, Perpetual Calendar, GMT, Small Seconds, Water resistant to 100 ft |
| Movement | Automatic Self-Winding Mechanical Power Reserve 42 hours |