Mainspring for Roamer 280

Height, diameter, thickness and length

1.30 × 12.0 × 0.115 × 440 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.HeightDiameterThicknessLengthType
33011.30 mm12.0 mm0.115 mm440 mmHand-wound, normal end hook

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 142.

🛒 Matching mainspring in our shop

No mainspring with exactly these dimensions in our shop at the moment.

🔄 Alternative mainsprings

Same height, diameter equal or slightly smaller. Please check yourself before ordering.

🔗 According to the catalogue, the same mainspring (GR 3301) also fits

❓ Frequently asked questions

Which mainspring fits the Roamer 280?

According to the Générale Ressorts catalogue (height × diameter × thickness × length): 1.30 × 12.0 × 0.115 × 440 mm (GR 3301, hand-wound, normal end hook).

Is this mainspring available in the shop?

An exact match is not in stock right now, but 2 similar mainsprings are possible alternatives.

Which other calibers use mainspring GR 3301?

According to the catalogue also in BRAC 1170, Revue 77, Revue 77 sc, Valjoux 7770.

All Roamer mainsprings · Mainsprings

WordPress Cookie Notice by Real Cookie Banner