You can go on e-bay and search Oris straps. You will find some leather ones made to fit the Oris but that is about it. It's the only down side to the Oris divers. Maybe someone should make an adpter like they do for the Citizen ECO-ZILLA. Might be nice with a nato but a 10mm nato - I think not.
I ordered this strap for my Oris Divers Titan Date from Jacob Straps in Spain:
He's one of the few makers who create straps just for this watch. Mine is black with red stitching but several combinations are available.
A guy named Aaron in Montreal has a company called Combat-Straps has his own take on such straps (this one is made from Ostrich leg hide):
While I'm considering getting one of these Canadian straps for another watch, at least in the pictures I preferred the way Jacob built up the end of the watch to match the design of the rubber OEM stratp my watch came with.
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