I put this very 'cost-friendly' and accurate NH35+Sapphire glass watch, on a CW Tide strap. These Tide straps are very stiff, but are actually very comfortable when worn.

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I have a couple of these Tandorios, one the same as yours and the sandy coloured Cali dial too. I just can't decide if I like the unusual case shape or not and choosing a strap is not straight forward to look right. I might give your choice a try. Cheers! 👍