how to start netwatch only after 1 min?

I have a question
I have 2 netwatch rules , and I want them to start only 1 min after the system boot up.
how can I do this ?
I have done this -

:delay 10;
:log warning "Startup start";
/tool netwatch disable [find where comment=ADSL1];
/tool netwatch disable [find where comment=ADSL2];
;/interface disable ADSL2;
:delay 1;
/interface enable ADSL1;
:delay 20;
/tool netwatch enable [find where comment=ADSL1];
:log warning "Startup Finish";

but still before the startup begin he do waht said in the netwach rules
?

Thanks ,

Delay is in seconds if I am not mistaken.

Double post removed.

Triple post removed.