Pocket watches are still popular in the modern world, and here are some pocket watch tattoo designs that you might consider:
Pocket Watch tattoo by @da_ink at The Tattoo Shop in Burleigh Heads, Australia
clockwork tattoo | metal clockwork – Tattoo Picture at CheckoutMyInk.com
@meganjeanmorris's photo: "Shout out to my friend @peteterranova made this gorgeous tattoo Saturday in New Hampshire. Really inspired me. Check him out @peteterranova @peteterranova @peteterranova @bnginksociety @latininkmvmt ;)"