[Moderator Omega - Wristscan]
I've just acquired a Horween shell cordovan strap dyed dark brown . . .
. . . that'll be fitted to my next Omega project currently being serviced. On the plus side: single layer, reasonable cost, fairly thin, pliable and durable. Minus: no scales, no stitching.
Spending hundreds on custom straps for watches that aren't especially valuable is a luxury I'm going to forego from here on out.