Ya I had this watch in early 80's. I remember it having extra coloured joysticks which fit
into the hole in the round direction key on the face. If I remember correct, there
was something on the band which allowed to carry these additional joysticks.
Did yours have this too?

I have a space invaders watch, i'll try to get some photos of it, thats if I can go to my parents house and try to find it.

It should still be there somewhere.

I didn't know they even made game watches in 1980! That's very cool and I imagine it's worth quite a bit more than what you bought it for. I owned only 1 game watch as a kid, it was WWF Superstars from 1990.

Here's a pic and a video of my reviewing it:

I like the watches. It's pretty cool if you think about the technology available at the time.
I usually just play pacman online.
I never had a watch like that, I had one of the calculator watches.
You watch is much better!
:D :)

just won the ghost version on ebay. awesome! like everyone else, i need joysticks. anyone know if there's a joystick version w sound and an earlier joystick version without sound? i don't think that's the case, but i wonder. i know about the ghost face and the pac man face. i also know about the button version. i have heard earlier (1980) joystick versions (as opposed to later, 1984) joystick versions don't have any sounds... pics to follow to be sure! loved this watch in middle school!