Bank receiving about £1000 for watch (6)
I believe the answer is:
ticker
'watch' is the definition.
(synonyms)
'bank receiving about' is the wordplay.
'bank' becomes 'tier' (both can mean a row of similar things).
'receiving' means one lot of letters goes inside another.
'about' becomes 'ck' (I can't explain this - if you can you should believe this answer much more).
'tier' going around 'ck' is 'TICKER'.
'ps1000 for' is the link.
This may not be correct. Some or all of it may be part of another bit of the clue.
Can you help me to learn more?
(Other definitions for ticker that I've seen before include "Heart (sl.)" , "- - -tape machine" , "Maybe watch" , "Old watch or informal heart" , "timer" .)
