Mainspring for Recta T 840
Height, diameter, thickness and length
📏 Mainspring dimensions
| GR no. | Height | Diameter | Thickness | Length | Type |
|---|---|---|---|---|---|
| 2972 | 1.20 mm | 9.5 mm | 0.12 mm | 300 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 164.
🛒 Matching mainspring in our shop
🔄 Alternative mainsprings
Same height, diameter equal or slightly smaller. Please check yourself before ordering.
🔗 According to the catalogue, the same mainspring (GR 2972) also fits
❓ Frequently asked questions
Which mainspring fits the Recta T 840?
According to the Générale Ressorts catalogue (height × diameter × thickness × length): 1.20 × 9.5 × 0.12 × 300 mm (GR 2972, 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 2972?
According to the catalogue also in Benrus FC, Bulova RT 41, Bulova RT 61, Citizen HOMER, Citizen NEW Master and 19 other calibers.
🛠️ For the workshop
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