| Model | Must Vendome SM Opalin Silver |
| Reference | 1850 |
| Year of Production | 1990's |
| Movement | Quartz (battery operated Cal.690) |
| Country of Origin | Switzerland |
| Water Resistance | non-waterproof |
| Case Diameter | 24mm |
| Case Material | silver 925 |
| Crystal | mineral glass |
| Lug Width | 14mm |
| Buckle Width | 12mm |