The buckle or clasp is a device used for fastening two loose ends, with one end attached to it and the other held by a catch in a secure but adjustable manner.
What is a pin buckle clasp?
A traditional buckle, in which one end of the strap is slipped through a buckle with a pin used to secure the fit.
What is a Tang clasp?
The Tang buckle is similar to a traditional men’s belt buckle. It will often leave a crease in the strap, but it is closer to the original style of buckle used by the members of the Italian Navy. The deployant, or folding clasp, will not leave as much of a mark in the strap and it less original.
How do you adjust the clasp on a metal watch band?
How do I adjust the stainless steel mesh strap?
How To Install A Deployant Clasp