Rolex mainspring 600 (9"'3/4) manual winding

1 mainspring Rolex 9"'3/4 cal. 600 (manual winding) / Ressort de barillet Rolex 600 remontage manuel (1 piece)

Inox premium quality

Only for caliber 600, not for 6xx automatic

New old stock / neuf de stock

Manual winding only, not for automatic / Remontage manuel uniquement, pas pour mouvement automatique

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

Livraison sous film neutre / Shipping in neutral zip bag (the last one will be shipped with the Usibel envelope on pics)