| Model | DeVille GP x SS Square Gold |
| Reference | 111.0157 |
| Year of Production | 1979 |
| Movement | Manual winding (Cal.625) |
| Country of Origin | Switzerland |
| Water Resistance | non-waterproof |
| Case Diameter | 33mm |
| Case Material | 14k Yellow Gold Plated × Stainless Steel |
| Crystal | mineral glass |
| Lug Width | 18mm |
| Buckle Width | 14mm |