Rolex mainspring 700 710 / Revue 41 42 / Oris 450 451 452 453

1 mainspring / Ressort de barillet / Zugfeder (1 piece)

New old stock / neuf de stock

Same mainspring for all following calibers :

Rolex 700 710 (only for manual winding movement)

and Wittnauer 10T and Lecoultre 48 and Girard Perregaux 38 44 and Revue 41 42 and Oris 450 451 452 453

Le prix est pour 1 ressort / The price is for 1 mainspring