This Leather watch band is tappered band, 10mm bands use 8mm buckle, 12mm bands use 10mm buckle, 14mm bands use 12mm buckle, 16mm bands use 14mm buckle, 18mm bands use 16mm buckle, 20mm bands use 18mm buckle.

These straps are compatible with most traditional or smartwatch that uses standard 10mm, 12mm, 13mm, 14mm, 15mm, 16mm, 18mm, 20mm spring bars.

Due to the different display screen and light effect, the actual color of the item might be slightly different from the color showed on the pictures