| Empresa | Tipo | Sede | Fundación |
|---|---|---|---|
| Hamilton Watch Company | negocio | Biena, Lancaster | 1892 |
| Invicta Watch Group | negocio | Hollywood | 1837 |
| Waltham Watch Company | negocio | Waltham, Ámsterdam | 1850 |
| Empresa | Tipo | Sede | Fundación |
|---|---|---|---|
| Hamilton Watch Company | negocio | Biena, Lancaster | 1892 |
| Invicta Watch Group | negocio | Hollywood | 1837 |
| Waltham Watch Company | negocio | Waltham, Ámsterdam | 1850 |