Title sounds stupid but how else to phrase it...
Have just bought DS a lovely new watch as a birthday present. He will be wearing it for school but obviously has to remove for sports. I want to be able to name it so that it can identified as his, although he is pretty organised and will always tuck it into his kit bag out of sight.
Spoke to engravers this morning and they won't do it as it invalidates the warranty, which I don't want either.
Anyone got any bright ideas on how to permanently mark a watch? I am sure marker pen would just rub off.