Constellation model number and crown part number please gents?

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Watch is a good friends, he needs the correct crown for it. Plain crown fitted right now.

is the watch a 168.0059?
 
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Current crown for 168.0059 is 069SX42530. To be sure of the case number, you need to look at the case back inside.
 
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ok gents. Extract says the case number is BA 368.0845
Can anyone @Archer ? give me the crown number from this?

As ever, you’re expertise is appreciated.
 
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069SX42531