BTW. Cheap approx £5.00 "Fit-Bit" look alike synch's to ones smart 'phone, but does need charging every week. However a brilliant large lit display.
But then I'm another watch nut, wearing 4 or five at a time. The Swiss self winding mechanical device (& the Jap's too) are a mechanical engineer's marvel of tiny components.
EBay is my friend !