Have a 80' production Rolex datejust.
Just came back from the shop to be appraised and checked for function.
No Box but has extra link.

Appraised at $4700.00i

Will sell for $3750.00 shipped and insured.
No trades

I think you might mean 'Date' and not 'Datejust'.

The Datejust came in 36mm and larger sizes.