Mainspring for Liengme 39

Height, diameter, thickness and length

1.50 × 7.5 × 0.09 × 240 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
40981.50 mm7.5 mm0.09 mm240 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 124.

🛒 Matching mainspring in our shop

Only mainsprings with exactly the same height, thickness and length are shown; the diameter is equal or up to 1 mm smaller – a smaller spring settles in the barrel.

🔗 According to the catalogue, the same mainspring (GR 4098) also fits

❓ Frequently asked questions

Which mainspring fits the Liengme 39?

According to the Générale Ressorts catalogue (height × diameter × thickness × length): 1.50 × 7.5 × 0.09 × 240 mm (GR 4098, hand-wound, normal end hook).

Is this mainspring available in the shop?

Yes, Master Watch Parts currently has 2 matching mainsprings in stock.

Which other calibers use mainspring GR 4098?

According to the catalogue also in BRAC 2021, BRAC 2041, Desa 675, ETA 790 à 799, ETA 802 à 804 and 5 other calibers.

All Liengme mainsprings · Mainsprings

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