| Model | Constellation Day-date Gray |
| Reference | 168.029 |
| Year of Production | 1970 |
| Movement | Automatic winding (Cal.751) |
| Country of Origin | Switzerland |
| Water Resistance | non-waterproof |
| Case Diameter | 32mm |
| Case Material | White gold bezel x stainless steel case |
| Crystal | plastic |
| Lug Width | 19mm |
| Buckle Width | 18mm |