| Model | Air King Ref.5500 Light grey |
| Reference | 5500 |
| Year of Production | 1971 Term III (Sir.279xxxx) |
| Movement | Automatic winding (Cal.1520 without hack) |
| Country of Origin | Switzerland |
| Water Resistance | Daily life waterproof |
| Case Diameter | 34mm |
| Case Material | Stainless steel |
| Crystal | plastic |
| Lug Width | 19mm |
| Buckle Width | 15mm |