ETA Valjoux 7750 Mainspring (Fits 7751, 7753, 7754, SW500)

Generale Ressorts high-quality Swiss-made mainspring (GR7750771). Compatible with ETA (Valjoux) 7750, 7751, 7753, 7754, and Sellita SW500 movements.

If you're servicing a classic Valjoux 7750 (or other 775x) movement, you want to use a high-quality mainspring from a reputable manufacturer. Why take chances with a no-name mainspring that might cause fitment issues with the arbor or barrel, or which might not provide a strong amplitude? Generale Ressorts, of Switzerland, is the highest-quality maker of aftermarket mainsprings. 

Amplitude Watch Parts ships from the USA, so there's no need to worry about long shipping delays or tariffs. 

Compatible With: ETA 7750, 7751, 7753, 7754, and Sellita SW500

Manufacturer Part Number: 7750771

Type: Automatic

Height: 1.50mm
Thickness: 0.113mm
Length: 600mm
Barrel Diameter: 12mm