Conversation so far:
Was Salvador a symbol?
Dali employed extensive symbolism in his work.
For instance, the hallmark "melting watches.
What did melting watches symbolize?
suggest Einstein's theory that time is relative and not fixed.
What paintings did he use melting watches in?
The Persistence of Memory.

Question: Were there other artworks with melting watches?
Self-contained rewrite: Besides The Persistence of Memory, were there other Salvador Dali artworks with melting watches?