Mainspring for Rolex 1566 Aut

Height, diameter, thickness and length

1.50 × 6.0 × 0.065 × 200 mmheight × diameter × thickness × length

Note: We have transcribed this information to the best of our knowledge from the Générale Ressorts mainspring catalogue (GR 2, 1974). All information has been carefully checked but is provided without guarantee. Please check yourself before fitting that the mainspring fits, in particular height, diameter, thickness and length.

📏 Mainspring dimensions

GR no.	Height	Diameter	Thickness	Length	Type
4048-X	1.50 mm	6.0 mm	0.065 mm	200 mm	Automatic, with welded slipping bridle

All dimensions in millimetres. The height of a mainspring is often also called its “width”. Source: Générale Ressorts, mainspring catalogue GR 2 (March 1974), page 168.

🔗 According to the catalogue, the same mainspring (GR 4048-X) also fits

❓ Frequently asked questions

Which mainspring fits the Rolex 1566 Aut?

According to the Générale Ressorts catalogue (height × diameter × thickness × length): 1.50 × 6.0 × 0.065 × 200 mm (GR 4048-X, automatic, with welded slipping bridle).