Czech company Walter, founded by Josef Walter built the WZ model in 1919. Czech driver Jindřich Knapp won the 1600 category of Zbraslav-Jíloviště Hillclimb in 1921 driving race modification of WZ.
| Season | Series | Event |
| 1921 | Hill Climbs | Zbraslav-Jíloviště Hill Climb |
| Driver | No. | Entrant |
| Jindřich Knapp | 8 | |
| Scale | Manufacturer | Collection |
| 1:43 | Autocult | |
| Cat. No. | Quality | Rarity |
| 010002 | 
| 
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Limited Edition of 333 pcs.
formula143 