| Production Years: | 1955 - 1957 |
| Maximum Speed: | 95 km/h |
| Engine: | Two-stroke |
| Cylinders: | 1 |
| Capacity: | 197 cc |
| Bore x Stroke | 45 mm x 62 mm x 2 (split-single) |
| Power: | 10 PS / 4800 rpm |
| Control: | Piston-port |
| Gears: | 4-speed |
| Suspension Front | Swing-arm |
| Suspension Rear | Swing-arm |
| Tyres: | 3.50 x 10 |
| Weight: | 149 kg |
The Contessa was marketed by Hercules, who fitted it with a Sachs 200cc engine and sold it as the R200. They continued to produce the model after the demise of TWN in 1957, and exported the R200 to Great Britain where it was sold under the Prior marque.
