| Model | Oyster perpetual date Ref.1501 Gray |
| Reference | 1501 |
| Year of Production | 1970 IV (272xxxx) |
| Movement | Automatic winding (with Cal.1570 hack) |
| Country of Origin | Switzerland |
| Water Resistance | Life waterproofing |
| Case Diameter | 34mm |
| Case Material | Stainless steel |
| Crystal | plastic |
| Lug Width | 19mm |
| Buckle Width | 15mm |