The most common and most likely answer to this crossword clue is the 6 plus 4 letter word SECOND HAND
I've seen this crossword clue in Financial Times
S
E
C
O
N
D
H
A
N
D
More clues leading to the result SECOND HAND
- Ticker, possibly not one’s own
- Used as support worker
- Used something on the face?
- Assist performer indirectly
- What moves the middle row in a 22, used when connected
- Used part of analogue time display
- Deputy seaman often found on watch
- Watch part of extra round of applause
- Old timer
- It’ll be round in a minute
Buddy explains!

The straight part
We know that "Watch part /extra round of applause" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case watch part /extra round of applause = second hand.The cryptic/wordplay part
In cryptic crossword there's often an wordplay/cryptic part as well.This part involves a more complex hint, such as an anagram, homophone, hidden word, etc.
Sadly, We don't have an explanation for this specific crossword clue yet.
What does SECOND HAND mean?
SECOND HAND adjective- (of goods) Not new; previously owned and used by another.
- (of a dealer) Dealing in such merchandise.
- Indirect; from a secondary source; not firsthand.
- (of cigarette or cigar smoke) inhaled from the air near someone else smoking.