GMT± Big Date
Unique time zone quick setting and permanent home time display, Big date display. Screw down security crown.
| Ref. Nr. | 221-88 |
| Diameter | 40 mm |
| Case | 18 ct yellow gold case |
| Dial | Silverized dial |
| Movement | UN-22 |
| Power-reserve | Approx. 42 hours |
| Winding | Self-winding |
| Water-resistant | 100 meters |
| Crystal | Sapphire crystal |
| Strap | Leather strap |
| Buckle type | Standard buckle |

