Mainspring for Ronda 9031
Height, diameter, thickness and length
📏 Mainspring dimensions
| GR no. | Height | Diameter | Thickness | Length | Type |
|---|---|---|---|---|---|
| 4077 | 1.50 mm | 7.5 mm | 0.08 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 169.
🛒 Matching mainspring in our shop
Only mainsprings with exactly the same height, thickness and length are shown; the diameter is equal or up to 1 mm smaller – a smaller spring settles in the barrel.
🔄 Alternative mainsprings
Mainspring 1,50-7,5-0,08-25510,90 € incl. VAT *View item
Mainspring 1,50-7,5-0,08-27010,90 € incl. VAT *View itemSame height, diameter equal or slightly smaller. Please check yourself before ordering.
🔗 According to the catalogue, the same mainspring (GR 4077) also fits
- AS 1111
- AS 1179
- AS 1299
- Aurore 41
- Benrus BW
- Bulova 6 WN
- Doxa 65
- Durowe 51
- Durowe 55
- Eterna 1244
- Fleurier 270 à 289
- Helbros 58. 60
- Helbros 70
- Junghans 77
- Lanco 4
- Marvin 320
- Mido 80
- Parrenin 25
- Parrenin 26
- Parrenin 251
- PUW 49 § 1/4"
- PUW 492
- Ronda 9011
- Ronda 9035
- Ronda 9037
- Rotary 780
- Uhren-Werk-Ersingen 57/5 § 1/4"
- Unitas 510 à 515
- Unitas 520 à 524
- Unitas 530 à 535
- West End secundus 5 1/4"
- Westfield 6 AN
- Westfield 6 WN
❓ Frequently asked questions
Which mainspring fits the Ronda 9031?
According to the Générale Ressorts catalogue (height × diameter × thickness × length): 1.50 × 7.5 × 0.08 × 260 mm (GR 4077, hand-wound, normal end hook).
Is this mainspring available in the shop?
Yes, Master Watch Parts currently has 1 matching mainsprings in stock.
Which other calibers use mainspring GR 4077?
According to the catalogue also in AS 1111, AS 1179, AS 1299, Aurore 41, Benrus BW and 28 other calibers.
🛠️ For the workshop
Red Teflon Hard Gasket For Watch Caseback Multi Size Listing Ø 16-42. Suitable for many brand watches such as Omega, Tissot, Junghans5,95 € – 7,95 € incl. VAT *View item ›
Swiss Luminova DIY Kit, Luminous Powder for Watch Hands, C1 C3 C5 Yellow Orange19,95 € – 59,90 € incl. VAT *View item ›
Replacement Sapphire Watch Crystal, Flat, 1.0 mm, Ø 15 - 45 mm22,40 € – 34,90 € incl. VAT *View item ›