I am not referring to antiques or other things that you bought/inherited that were already old.
I am talking about things you received a long time ago, and still have/use today.
For me, it's a GE alarm clock. I received it at the beginning of 1980 for my 8th birthday. My grandmother bought it for me.
It still works today, and it sits on my nighttable.
This is amazing because it was in constant use 24/7 for almost 31 years, before I finally took it "offline" in late 2010. About a month ago, I put it back, and it now tells me the time when I first wake up in the morning, just as it did when Jimmy Carter was still President.
It showed no sign of deterioration until a few years ago, when the radio part of the clock-radio started to go. Now the radio barely works, but it still functions perfectly as an alarm clock.
Gotta give GE credit. How many other electronic devices do you know that can run 30+ years without service (or even being turned off) and still function?