Not quite sure... created/deleted too many characters on different profiles.
The most I had one one character was 263 hours. That was my first character. Accidentally deleted him. >_<
I know it's over 600 hours total though. Been playing the game a lot lately, as well. I'm also going to buy the GotY edition for PC. So many mods... might be able to breath some more life into it while waiting for Skyrim.