Meaning of the word "for old times' sake" in English

What does "for old times' sake" mean in English? Explore the meaning, pronunciation, and specific usage of this word with Lingoland.

for old times' sake

US /fɔr oʊld taɪmz seɪk/
UK /fɔːr əʊld taɪmz seɪk/
"for old times' sake" picture

Idiom

because of sentimental memory of the past

Example:
Let's visit our old school for old times' sake.
He kept the old broken watch for old times' sake.