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FHF 815
Basic Information
| Name | FHF 815 |
|---|---|
| Manufacturer | Fabrique d’Horlogerie de Fontainemelon |
| Launch Year | 1965 |
| Caliber Family | Description 81, 814: 10.5 81-2: 10.5" , date 811, 815: 11.5" 811-2: 11.5" , date Related calibers FHF 81, FHF 81-2, FHF 811, FHF 811-2, FHF 814, FHF 815 |
| Is COSC certified | No |
Timegrapher
Beat rate
18,000 bph
Frequency
2.5 Hz
Reference: healthy amplitude ≈ 270–315° fully wound (>200° at 24 h); beat error ideally < 0.5 ms.
Technical Details
| Lignes Dimensions | 11.5 ‴ |
|---|---|
| Dimensions | 26 mm |
| Height | 3.5 mm |
| Further Measures | Mounting Diameter (Dm): 25.6mm Stem height (T): 1.7mm Mounting Height (F): 1.1mm |
| Power Reserve | 45 hours |
| Frequency | 18,000 vph |
| Jewels | 17 |
Complications and Specifications
| Shape | Round |
|---|---|
| Complications |
|
| Shock Protection | Incabloc |
| 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 0.80 / 0.20mm |
|---|---|
| Hand Count | 3 |
| Country Of Manufacture | Switzerland |
| Notes | Remarks: differences not known between 811, 815 Other data: balance staff: U3200 stem: W3146 mainspring / battery: Zf1034, 1.40 x 9.5 x 0.10 x 315mm |
| Signature | ca. 1965: OC, Swiss, 17 Jewels - FHF, 81; Incabloc (FHF 811) |
Compatible Parts
No parts linked yet for this caliber.
Metadata
| Created At | Sep 15, 2023 |
|---|---|
| Updated At | Apr 23, 2025, 11:32:44 PM |
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