Stainless steel watch strap buckles, sold on their own in 12mm to 22mm buckle-end widths. The same hardware we fit to Altsha straps.
Three frames in five finishes, for a strap you already own or a finish you want to change. The size on a buckle is the buckle end rather than the lug end, so a strap sold as 20/16mm takes a 16mm buckle.
Worth checking before you order. A buckle is sized by the end it fastens, not by the lug width of the strap, so a strap sold as 20/16mm takes a 16mm buckle. A straight strap takes a buckle the same width as its lugs. Widths run 12 to 22mm, and each is sold on its own, with no spring bars.
The classic buckle is the standard frame, 0.24 inches deep. The field buckle sits lower at 0.19. The Pre-V buckle is the widest at 1.23 inches across, and comes in 16, 18, 20 and 22mm. All three are stainless steel, and all three are the same hardware we fit to our own straps.
Wipe with a soft dry cloth. Keep it clear of abrasives and polishing compounds, which will mark a brushed or coated finish and can't be undone.