REMOVE THE OLD STRAP
Step 1 - To remove a watch strap that has QRSB, locate the quick-release lever on the back end of the strap.
Step 2- Pull the level towards the middle of the strap and pull the watch strap away from the lug, on the side of the lever.
Step 3 - Slide the other end of the spring bar out of the other lug and remove the watch strap completely.
Step 4 - Repeat the steps so both halves of the watch strap has been removed.
INSTALL THE NEW STRAP
Step 1 - Before installing the new quick-release strap, note that the buckle end of the watch strap will be installed in the watch’s top lugs, and the long end of the watch strap will be installed in the bottom lugs.
Step 2 - Slide the end of the spring bar that is opposite the quick-release lever into one side of the watch’s lugs.
Step 3- Pull the quick-release lever towards the middle of the watch strap while aligning the spring bar with the hole in the watch lug.
Step 4 - Release the quick-release lever and the spring bar should lock into the watch’s lugs.
Step 5 - Repeat the previous steps for the other half of the watch strap so that both halves of the watch strap have been fastened securely to the watch.
Step 6 - Once complete, gently pull both halves of the watch strap away from the watch to ensure a secure installation.