Watch buckle, made of brass/bronze metal.

Size: 18 mm, 20 mm, 22 mm, 24 mm.

Notched watch strap (corner, centre and multi notched strap options) customisation service: https://finwatchstraps.com/products/notch-cut-centre-nothched-multi-notched-watch-strap-customisations

PLANNING TO USE OWN BUCKLE? REMEMBER TO CUSTOMIZE STRAP HOLES

Default watch strap buckle holes are 2 mm in diameter.