I bought this Longines and am needing help Id ing the movement so I can try to find a staff. Any info would be helpful.
It is 43.10 mm across the movement. It has a center chronograph with a 30 minute register.
Thanks in advance. Gene

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Gene, You may have to have the staff drilled and re-pivoted.

I can replace staffs. but what you talking about is beyond my expertise.

Do you have any one in mind.

Gene, looks alot like a calibre 19.73, circa 1897

I bought a 19.73 N staff. The piviots are a little big. But I can turn them down a little. I have not had time to pull the balance completely apart to check it to see if the dimensions of the new staff will work.