Longines winding stem 520 528 / 2 parts 404 + 963

Tige de remontoir male + femelle Longines / Complete 2 parts winding stem Longines

Neuf de stock / New old stock

Same stems for cal : 528 and 520

Male part length : 7.34 mm

Female threaded post length : 6.24 mm

Thread 90

Total length : 12.75 mm