A spring bar, pushpin, or fastening pin (hereafter referred to as a spring bar) – various terms for the same accessory.

Spring bars are essential components used to attach watch straps to the case of a watch. Despite being referred to by different names, including pushpins or fastening pins, they all serve the same purpose. These small but crucial parts allow for the easy replacement and adjustment of watch bands, ensuring that the strap stays securely in place while offering flexibility in fitting different types of bands. Whether you're a professional watchmaker, a collector, or simply someone looking to replace a worn-out strap, understanding the role of spring bars is key to maintaining the functionality and longevity of your timepiece.