What Apple Watch models correspond to LL/a, jp/a, ch/a ?

[MareLuce]

What Apple Watch models correspond to LL/a, jp/a, ch/a ?

I searched Wikipedia and goog but don't see a table.

This is related to the YouTube from MaxTech I think about why Apple canceled the boxy design.

 

[FishyFish]

LL/A = North America
JP/A = Japan
CH/A = China

 

[MareLuce]

Thank you!