Push-button deployant clasp specifications Brown 18mm Accessories: Spring bars, spring bar tool Easy to remove and put on your watch, and less likely to damage the strap. This is a push-button deployant clasp specification. Lug width (watch strap attachment width): 18mm May not be attachable depending on the shape of your watch lugs. We cannot determine whether it is attachable or not. #mimoza's men's watch strap list is here. Please tap the blue text. New, unused item Unpackaged item. Will be shipped packed in bubble wrap. Will be shipped via YuYu Mercari便.