Thank you for the advice. This time after some proper research I think have managed to find an Enicar tropical strap to fit. I have included a photo and yes you were right it was expensive. I do still have my heart set on find a BOR link but at least now I will be able to wear the watch once it’s fixed upJust noticed you are thinking of your Mk1 Guide. Wow, that's even tougher as the early clasps were different as well. Myself, I would chase down a period 22mm tropic strap (expensive enough!) and go with that.