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I will have a chat and see if he has any insight, but will PM you.

I will ask him when I see him next. Sounds like the same period as the OP uncle. In fact chances are that he is very familiar with accident.

OP - do you know which squadron he was flying with at...

A friend of mine flew Jaguars (14 Sqn) and his issued watch was a Seiko (joined 1971 left in 1991).

Not sure when it was issued though.