key and clock tattoos - Google Search
Pocket watch tattoo
Image of C x I x D "Skull / Pocket Watch"
Design watch by ~Jawbone-Ashtray on deviantART
awesome #tattoo design - more here: https://twitter.com/TattooideasFree
Broken clockwork. A morbid idea would be to have my time of birth...
Pocket watch sketch. Beautiful leaves in the background. As a tattoo I'd simplify it a bit.