Sonic Boom
Nah! As we conspiracy Theorists have always said there's an Aurora parked around the back of the "Clock's" car park - "They" were just a bit hot and high on the approach.
Or !!!!
Someone's just got a temporary hand/eye throttle co-ordination problem vis a vis another's finger fumbling with a simple number like say 7000.
That second 0 after the 7 is actually quite useful.
Or !!!!
Was it Sword swallowing or Sabre rattling - I always get the two mixed up - A bit like numbers (the proper phrase is discalculic).
Bring back 4321 as a setting for that Cockerel Crow (Enough of my squawking). Funny thing ergonomics.
CAT III