While Watchtower never reached mainstream access, they have been cited as an influence by many other progressive metal bands such as: Dream Theater, Death, Atheist, Sieges Even and Spiral Architect.
Bár mainstream sikerekben sosem részesültek, ennek ellenére olyan progresszív együttesekre voltak befolyással, mint a Dream Theater, a Death, az Atheist, a Sieges Even és a Spiral Architect.