It's not spider mites. The damage parts would be white.
I agree that it doesn't look like mites, but I have seen hundreds of mite-damaged leaves that look very similar to that (minus the black-pin-pricks). But it isn't mites.
Maybe your experience is different, but in the yrs of fighting them, I haven't seen mite-damage to be white. Yellow, pinpricked, mottled, sorta "rust'like" damage when it gets bad.
Dead give away.
but there are a lot of mite-species, I've dealt with four kinds, the normal two-spot, a brownish smaller one (those suck), russet mites, and a weird black colored one.
I grow in a cabin-shed in a redwood forest, and it's impossible to go a full grow without seeing mites.