Calvin Klein Recent Questions, Troubleshooting Help & Support

a gsket is something that goes inbetween two conponants to seal it from leaking or letting things in like water or dust,or do you mean a o ring

Brand and model of the child's car seat?Which strap?

Try the following links:

http://www.watchdoctors.co.uk/calvin-klein-watch-repair.htm

or call a CK customer service at 1-866-513-0513

Or try a local watchmaker and see if its possible to have them cut the right size for you.

take it to a store and let them do it.They have a soft counter top pad they set it on and press the back on with a hard disc like thing so it clicks in evenly...If you try it yourself , you will likely damage the crystal (glass you see the time thru).I know you thought you were doing an easy job yourself... but the jewlery stores would have changed it for the cost of the battery and not risked damage to your nice watch.