fob
watch chain
watch guard

Then he pulled out a watch chain and dropped it beside the watch.

The clerk was indicating a watch chain that ran across the front of the dead man's vest.

He unlocked the door with a key on his watch chain, and entered.

But he only looked down and toyed with his watch chain.

It was a man's antique watch chain with an attractive gold charm.

The hands of The Shadow found the professor's watch chain.

I'd asked Fielding about the crystal on his watch chain once.

But it was the object that had been broken from Purling's watch chain.

This is the charm that fits the end of Purling's watch chain.

They supplied a watch chain and showed him how to fasten it to his belt.