Gold-plated steel pin buckle. Most watch strap sellers do not offer pin buckles for sale. It can happen that the pin buckle breaks and needs to be replaced. Antenen offers pin and folding buckles in different shapes and colors. If you have a watch with a gold case, this Ardion buckle is recommended.Practical information: Understand the measurements of your original strap to easily order a steel pin buckle How do you change the pin buckle on your bracelet? What is the difference between a pin buckle and a folding clasp?