The 106 is very nice alternative to the 91 
I would happily go for that one too if it were available.
Otherwise, from the list you provided - and I checked on their official site as well, the only one single model that appeals to me is the 220. I am not a titanium fan (scratches too easily) and I have too many chronos already.
BTW I noticed in your image that the numbers have rotated on the dial. How did that happen?
Cheers!