20mm width (18mm at the buckle), it fits a variety of watches, I tried it on my Speedmaster Pro. 6 positions of micro-adjustments, quick release spring bar easy install. [https://baltic-watches.com/en/products/beads-of-rice](https://baltic-watches.com/en/products/beads-of-rice) Very Good condition, with very faint desk diver, marks on the clasp. Fits up maybe an 8” wrist. $60 shipped Zelle or Venmo FF Pics and timestamps in the listing.