Rolex 3130, 3135, 3155, 3175, 3185, and 3186 Compatible Mainspring

Genuine Generale Ressorts high-quality Swiss-made mainspring compatible with Rolex 3130, 3135, 3155, 3175, 3185, and 3186.

If you're servicing a Rolex 31xx 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? While it might be difficult to find Rolex OEM mainsprings, you can use Generale Ressorts of Switzerland, the leading 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: Rolex 3130, 3135, 3155, 3175, 3185, and 3186

Manufacturer: Generale Ressorts

Manufacturer Part Number: 3135771

Type: Automatic

Height: 1.18mm
Thickness: 0.112mm
Length: 455mm
Barrel Diameter: 11.2mm