WATCH MOVEMENT SPRING 2.0 X 0.22 X 540 X 18.5

Watch mainspring 2.0 × 0.22 × 540 × 18.5 mm

Mainspring for a mechanical watch movement.

Technical parameters:

Spring height: 2.0 mm

Spring thickness: 0.22 mm

Spring length: 540 mm

Drum diameter: 18.5 mm