[lowbloodsugar]

You are misinformed.

Apple Watch 1 had five years of OS upgrades. Watch OS 6 was the first to drop Series 1.

[jychang]

Last version of watchOS for the first apple watch was 4.3.2

https://en.m.wikipedia.org/wiki/Apple_Watch

[lowbloodsugar]

Ok, thanks, so in fact they have all had more than “2 or 3 years of support”.

[makeitdouble]

Apple Watch 1 is not the original Watch (yes, Apple namings)