Quick Release Watch Band and NATO straps both – you can change your watch strap in seconds. Simply pull the tiny knob with a fingertip to retract the spring-loaded bar and pop it into or out of the watch lug’s hole, a quick and easy watch band installation and removal process without applying any tools. They are designed to fit any traditional timepiece or smart watch with an 16mm, 18mm, 19mm, 20mm, 21mm, 23mm or 24mm lug width. Unsure how to fit a band to your timepiece? Check out our Fitting Guide