| Model | Deville / GP Oval Gold New Old Stock |
| Reference | 511.0509 |
| Year of Production | 1979 |
| Movement | Manual winding (Cal.625) |
| Country of Origin | Switzerland |
| Water Resistance | non-waterproof |
| Case Diameter | 24mm |
| Case Material | 14k Yellow Gold plated |
| Crystal | plastic |
| Lug Width | 12mm |
| Buckle Width | 8mm |