I've looked on the site for information for the distinctions between these two movements.
They;re both ST36, one is further delineated as P29. For the life of me, I'm unable to find the alphanumeric name of the other one. Apologies if this is somewhere on the site, I've looked and haven't found it.
Anyone know their names?
Answering my own question here, please correct me if I'm wrong. The movement that Mark uses for the tutorials is ST3620 6498
The other movement is ST3620 6497
When buying a movement to follow Mark's tutorials, I'd bought ST3620 6497, I was befuddled a bit however I got through it.