OEM Replacement Spring Bars The smallest component in your watch setup is often the one carrying the greatest responsibility. Steel Reef OEM Replacement Spring Bars are manufactured to the original dimensions and tolerances specified for each compatible model, providing a direct replacement for worn, damaged, or fatigued spring bars. Precision-machined and thoroughly inspected, they are designed to restore the secure fit and reliability your bracelet was intended to have from day one. Unlike generic alternatives that can vary in diameter, shoulder dimensions, or overall fit, our spring bars are engineered for specific watch references to ensure proper engagement within the lugs and bracelet end links. Because when it comes to protecting your watch, the details matter.