| Model | Must Ronde SM Ivory Roman |
| Reference | 1801 |
| Year of Production | 2000's |
| Movement | Quartz (battery-powered Cal.157) |
| Country of Origin | Switzerland |
| Water Resistance | Daily life waterproof |
| Case Diameter | 27mm |
| Case Material | Vermeil |
| Crystal | mineral glass |
| Lug Width | 14mm |
| Buckle Width | 12mm |