Simply slide quick release knob with finger as shown in diagram
These top grain leather watch bands feature integrated quick release spring bars and an ultra-smooth underside. Fabricated from hand selected leather and 316 stainless steel to meet our lofty standards, these straps are compatible with any watch (traditional or smart watch) that uses standard 16mm, 18mm, 19mm, 20mm, 21mm, 22mm, 23mm, or 24mm spring bars