| Model | Tank Americaine SM K18 white gold |
| Reference | 2489 |
| Year of Production | 1990's |
| Movement | Quartz (battery operated) |
| Country of Origin | Switzerland |
| Water Resistance | Life waterproofing |
| Case Diameter | 35mm×19mm |
| Case Material | 18k white gold |
| Crystal | mineral glass |
| Lug Width | 13mm |
| Buckle Width | 12mm |