No. 771 Jaeger-LeCoultre 427 Mainspring [NOS]

New old stock barrel spring No. 771 for Jaeger LeCoultre caliber 427.

Mechanical part from old stock. Photos are for illustrative purposes only: the part received may differ visually from the illustration (finish, metal color). Only the caliber and reference number indicated in the title guarantee compatibility. Cleaning the parts is recommended before installation. If packaging is visible in the photos, it is not necessarily included.

Sold individually (unless otherwise stated in the title) · NOS · May show signs of age · Photos are representative

Origin

These parts may come from different suppliers and stocks depending on availability. Regardless of their origin, excellent quality is guaranteed; each item is carefully selected before being offered for sale.