Mainspring for BRAC 2013
Height, diameter, thickness and length
📏 Mainspring dimensions
| GR no. | Height | Diameter | Thickness | Length | Type |
|---|---|---|---|---|---|
| 3725 | 1.40 mm | 9.0 mm | 0.12 mm | 260 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 30.
🛒 Matching mainspring in our shop
🔄 Alternative mainsprings
Mainspring 1,40-9,0-0,11-2808,99 € incl. VAT *View item
Mainspring 1,40-9,0-0,11-27010,90 € incl. VAT *View itemSame height, diameter equal or slightly smaller. Please check yourself before ordering.
🔗 According to the catalogue, the same mainspring (GR 3725) also fits
❓ Frequently asked questions
Which mainspring fits the BRAC 2013?
According to the Générale Ressorts catalogue (height × diameter × thickness × length): 1.40 × 9.0 × 0.12 × 260 mm (GR 3725, hand-wound, normal end hook).
Is this mainspring available in the shop?
An exact match is not in stock right now, but 2 similar mainsprings are possible alternatives.
Which other calibers use mainspring GR 3725?
According to the catalogue also in Aster 10 1/2, Benrus DF, BRAC 903, BRAC 906, BRAC 913 and 15 other calibers.
🛠️ For the workshop
Original A60 Varnish Binder for Lume on Watch Dials and Hands – SuperLuminova – 1 g15,90 € incl. VAT *View item ›
Sapphire Watch Crystal, Flat, 1.5 mm, Ø 18 - 45 mm27,90 € – 42,90 € incl. VAT *View item ›
Sternkreuz Savonette Plastic Watch Crystal, Extra Thin, 22-46 mm – NOS12,90 € – 13,90 € incl. VAT *View item ›