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FEF 430
Basic Information
| Name | FEF 430 |
|---|---|
| Manufacturer | Fabrique d'Ébauches de Fleurier |
| Launch Year | 1950 |
| Caliber Family | Description 430, 434: 18000 A/h 6650: 21600 A/h Related calibers FEF 430, FEF 434, FEF 6650 |
| Is COSC certified | No |
Timegrapher
Beat rate
18,000 bph
Frequency
2.5 Hz
Lift angle
52 degrees
Reference: healthy amplitude ≈ 270–315° fully wound (>200° at 24 h); beat error ideally < 0.5 ms.
Technical Details
| Lignes Dimensions | 5.5 ‴ x 7 ‴ |
|---|---|
| Dimensions | 12.15 mm x 15.9 mm |
| Height | 3.5 mm |
| Further Measures | Mounting Diameter (Dm): 12.15 x 15.5mm Stem height (T): 1.7mm Mounting Height (F): 0.5mm |
| Power Reserve | 47 hours |
| Frequency | 18,000 vph |
| Jewels | 17 |
| Lift Angle | 52 degrees |
Complications and Specifications
| Shape | Rectangle |
|---|---|
| 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 | 1.00 x 0.55mm |
|---|---|
| Hand Count | 2 |
| Country Of Manufacture | Switzerland |
| Notes | Remarks: differences not known between 430, 434 Other data: balance staff: U2478/U3124 balance with/without screws stem: W3347 mainspring / battery: 1.50 x 6.0 x 0.065mm balance staff ronda: 4441 (5) balance staff ronda: 4917 (5) balance staff ronda: 4749 (5) balance staff ronda: 5158 (5) stem ronda: 1315 (5 x 7) |
| Signature | ca. 1950: Swiss, 17 Jewels - VJ |
Compatible Parts
No parts linked yet for this caliber.
Metadata
| Created At | Sep 15, 2023 |
|---|---|
| Updated At | Apr 23, 2025, 11:32:26 PM |
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