This is episode 3 of 3.
Episode 1: https://youtu.be/eGQQWIbD-nM
Episode 2: https://youtu.be/J6W1jYoa1HM

https://posy.bandcamp.com/

Products shown in the video: 
Casio: CSF-7950, CFX-9850GB Plus, G-3011, GLX-150. 
"Tetris Color Screen" by Mattel
Skmei: 1134, 1338, 
Synoke: 9528, "Multi function Watch" (x2)
Samda 222
Xinjia XJ-840TE (talking watch)
Color smart watch: nameless