Mainspring for Becker 115 à 120
Height, diameter, thickness and length
1.40 × 10.0 × 0.125 × 320 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 |
|---|---|---|---|---|---|
| 3740 | 1.40 mm | 10.0 mm | 0.125 mm | 320 mm | Hand-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 23.
🛒 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
🔧 Interchangeable spare parts
Which other spare parts of Becker 115 à 120 fit other calibers:
🔗 According to the catalogue, the same mainspring (GR 3740) also fits
❓ Frequently asked questions
Which mainspring fits the Becker 115 à 120?
According to the Générale Ressorts catalogue (height × diameter × thickness × length): 1.40 × 10.0 × 0.125 × 320 mm (GR 3740, hand-wound, normal end hook).
Which other calibers use mainspring GR 3740?
According to the catalogue also in Becker 120 MS, Becker 1051, Becker 1151, Becker 1161, Elgin 845 and 5 other calibers.
🛠️ For the workshop
Replacement Sapphire Watch Crystal, Flat, 1.0 mm, Ø 15 - 45 mm22,40 € – 34,90 € incl. VAT *View item ›
HIGH DOMED ACRYLIC GLASS Replacement Watch Glass for Wristwatches and Pocket Watches H: 5.25mm6,99 € – 9,99 € incl. VAT *View item ›
Kienzle Watch Key (Winding Key) for Kienzle Movement 42119,90 € incl. VAT *View item ›