Yes, why not?
Here I was having fun with animation process - direct reading from EEPROM is a new thing for me. I already have clock code written to use these 2x2 chars, will post it after I'll tidy it up.

Graphical screens might be good but 1602 OLED have 2 advantages:

1. We know the interface.
2. They're cheap for their size (comparable physical size Graphical OLED is more expensive)