What's the git equivalent of “svn update -r”?

git checkout HEAD~1

This will move your current HEAD to one revision earlier.

git checkout 

This will move your current HEAD to the given revision. Use git log or gitk to find the revision you’re looking for.

And getting back to latest (equivalent to: svn up), you'll need to update the branch, usually:

git checkout master

This is because the HEAD refers to the version that is being checked o