For Time Setting Adjustment-Click The Button, Time Numbers Appears, Press The Button Probably About Four Seconds, When The Red Numbers Start Blinking It Enter The Set Up Mode. Then, Slowly Press The Button To Adjust The Time Digits. After Setting The Current Item, Then Press The Button Again Probably About Four Seconds To Enter Next Setting. Order Of Setting Values Are: Hours, Minutes, Year, Month, And Day. Set The Time And Do Not Press The Button To Save The Settings. Information About Size- If The Bracelet Is Too Long For Your Wrist, You Can Remove(By Cutting It With Scissors) The Extra Small Units From Both The End In The Band To Make It Fit For You. Locks On Both The Ends Are Removed And Replaced.