On Bastion's normal skins, the model number is E54.
On Bastion's Omnic Crisis skin, the model number is B73.
On Bastion's Defense Matrix skin, the model number is UI02.
Do these models reference any specific kind of Omnic at all? Or are they completely random and have nothing to do with Bastion?
Best Answer
There is no official lore for what the numbers mean but I would presume they are version, unit or batch numbers. I doubt they reference a specific kind of Omnic robot as Bastion is the type, not his name as might be thought.
From Overwatch's website character lore
(Emphasis added)