I'm wondering if one of these bracelets will fit on my Mark II?

 

I think the end links are the important bit? find out what end links can be used on a speedie mark 2 and see if you can find a 1163 bracelet with those end links. I have one on a Chronostop jumbo they are straight end links and 22mm.

 

Thanks Iillatroll. I had a feeling this might be the case. Will investigate.