Mainspring for Record 107
Height, diameter, thickness and length
1.65 × 9.5 × 0.105 × 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 |
|---|---|---|---|---|---|
| 4745 | 1.65 mm | 9.5 mm | 0.105 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 163.
🛒 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 4745) also fits
❓ Frequently asked questions
Which mainspring fits the Record 107?
According to the Générale Ressorts catalogue (height × diameter × thickness × length): 1.65 × 9.5 × 0.105 × 320 mm (GR 4745, hand-wound, normal end hook).
Is this mainspring available in the shop?
An exact match is not in stock right now, but 1 similar mainsprings are possible alternatives.
Which other calibers use mainspring GR 4745?
According to the catalogue also in EB 8000. 8001, EB 8004, EB 8005, Record 107 C.
🛠️ For the workshop
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