Original Tissot J378-478 PR-50 / T600020323 Leather Black 19mm watch strapThis watch strap from Tissot fits on the watch model J378-478 PR-50 / T600020323. Please click on Alternatives to view all alternative straps. The lug width of this watch strap is 19mm, the widest part of the strap has a width of 19mm. This watch strap has a straight end. This means that this watch strap will also fit on other watch models (from the same brand but also other brands), provided that the width of the strap is the same and the original strap also has a straight end. Please read the Product features for more information about this strap.