Mainspring for Smith 100

Height, diameter, thickness and length

1.20 × 9.0 × 0.11 × 300 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
29491.20 mm9.0 mm0.11 mm300 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 177.

🛒 Matching mainspring in our shop

We do not currently have a mainspring with exactly these dimensions in our shop. Feel free to write to us – we can often still find a suitable spring. Contact form · All mainsprings in our shop

🔗 According to the catalogue, the same mainspring (GR 2949) also fits

❓ Frequently asked questions

Which mainspring fits the Smith 100?

According to the Générale Ressorts catalogue (height × diameter × thickness × length): 1.20 × 9.0 × 0.11 × 300 mm (GR 2949, hand-wound, normal end hook).

Which other calibers use mainspring GR 2949?

According to the catalogue also in Breitling 33, Chezard 1, Chezard 60, Cyma 063, Durowe 425 and 35 other calibers.

All Smith mainsprings · Mainsprings

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