Watchtower - band - was created in 1983.
The Watchtower was created in 1879.
Desert View Watchtower was created in 1932.
Harlem Fire Watchtower was created in 1857.
All Along the Watchtower was created on 1967-11-22.
The Answer - band - was created in 2000.
Them - band - was created in 1964.
If - band - was created in 1969.
Faith Band was created in 1973.
The Band Plays On was created in 1975.
CSS - band - was created in 2003.
If you mean the image of a watchtower that appears on corporate letterheads and the 'Watchtower' magazine, then it is similar to a company logo.
Watchtower magazine is produced by The Watchtower Bible and Tract Society. It is the legal name of the Jehovah's Witnesses printing operation.