warwick duo 2011

the small rooflight seems to have a part missing.or is it a normal design?the winding mech is exposed to the elements,although no leak has been apparant.the cover is in front of the mech,and seems to work as it should.owning it from new,i am suprised,that i did not see it before,haveing cleaned the roof a few times.its the model with the annoying metal vanes which often need repositioning.perhaps its o.k but does not look right somehow. .new to forum