Genuine Rolex 2130 311-1 Mainspring Watch Part

Genuine Rolex Factory Sealed Mainspring – Caliber 2130/2135 – Part No. 2130-311-1

Original genuine Rolex Mainspring for the Rolex Caliber 2130 and 2135 automatic movements. This authentic Rolex service replacement part is preserved in its original factory sealed packaging and is offered in New Old Stock (NOS)condition.

A highly desirable Rolex movement component for professional watchmakers, collectors, and vintage Rolex restoration specialists. Genuine factory-sealed Rolex mainsprings are increasingly difficult to source and are ideal for maintaining authenticity and reliability during a vintage movement service or restoration.

Specifications:

• Brand: Rolex

• Component: Barrel Mainspring

• Compatible Calibers: Rolex 2130 / 2135

• Rolex Part Number: 2130-311-1

• Condition: Original Factory Sealed / NOS

• Genuine Swiss Rolex movement part

The exact sealed Rolex package shown in the photos is the item you will receive.

A scarce authentic Rolex service component—perfect for vintage Rolex restoration, professional watch repair, or a serious Rolex parts collection.