Anthony.
·You can browse all the Carreras here:
http://tagheuerenthusiastgallery.blogspot.com/search/label/Carrera?view=snapshot
I can't see one with a blue hour index, I thought of Air-K but the one with a blue second hand is an Aquaracer.
Or the 999 version
Wasn't this model issued to Police Members in the UK?
I seem to remember reading it somewhere.