All reports of debian-watch-file-missing-version for the archive. The extended description of this tag is:
The debian/watch file in this package doesn't start a version= line. The first non-comment line of debian/watch should be a version= declaration. This may mean that this is an old version one watch file that should be updated to the current version.
Refer to the uscan(1) manual page for details.
This tag has not been emitted in any package tested by Lintian.