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FEF 131
Basic Information
| Name | FEF 131 |
|---|---|
| Manufacturer | Fabrique d'Ébauches de Fleurier |
| Launch Year | 1935 |
| Is in house development | No |
| Is COSC certified | No |
Technical Details
| Lignes Dimensions | 7.75 ‴ x 11.5 ‴ |
|---|---|
| Dimensions | 17.5 mm x 26 mm |
| Height | 3.3 mm |
| Further Measures | Mounting Diameter (Dm): 17.5 x 25.6mm Winding Gear: 0.2mm Stem height (T): 1.6mm Mounting Height (F): 0.6mm |
| Power Reserve | 42 hours |
| Frequency | 18,000 vph |
| Jewels | 17 |
Complications and Specifications
| Shape | Barrel (Tonneau) |
|---|---|
| Complications |
|
| Regulator Type | Pinned Regulator (or Index Regulator) |
| Movement Type | Manual |
| Escapement Type | Swiss Lever |
| Control Type | Balance Wheel |
| Winding Type | Stem Winding (Crown) |
| Setting Type | Stem Set (Crown Pull) |
Additional Information
| Hand Sizes | 1.30 x 0.60 / 0.20mm |
|---|---|
| Hand Count | 3 |
| Country Of Manufacture | Switzerland |
| Notes | Remarks: except varying bridge layouts differences not known between 130...149 Other data: balance staff: U24 stem: W129 mainspring / battery: Zf872, 1.30 x 10.0 x 0.10 x 350mm balance staff ronda: 2691 (7,75 x 11) stem ronda: 85 (7,75 x 12) Ranfft mentioned about this caliber: There are variants with this quantity of jewels 15, 17 |
| Signature | 1-2) ca. 1935: 4, ZentRa - F.E.F. (FEF 130) 3-4) ca. 1940: - FEF, 130 (FEF 130) |
Metadata
| Created At | Sep 15, 2023 |
|---|---|
| Updated At | Aug 5, 2025, 1:30:59 PM |
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