I have four straps up for sale. From top to bottom.

20mm Silicone rubber with contrast white stitching and silver buckle.
(Unworn)$20

18mm Hirsch Duke alligator grain brown leather (unworn) $40

22mm ZRC brown buffalo leather with contrast stitching and silver buckle (used) $30

22mm Crown & Buckle black suede leather strap with silver buckle. Worn once. $25