| Model | DeVille GP Ivory Brown Roman for Ladies |
| Reference | 511.0580 |
| Year of Production | 1979 |
| Movement | Manual winding (Cal.625) |
| Country of Origin | Switzerland |
| Water Resistance | non-waterproof |
| Case Diameter | 23mm |
| Case Material | 14k Yellow Gold plated |
| Crystal | mineral glass |
| Lug Width | 13mm |
| Buckle Width | 10mm |