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Hera 1835
Basic Information
| Name | Hera 1835 |
|---|---|
| Alternative Name | Sonceboz 99 H4.7 |
| Base Calibre | Sonceboz 99 H4.7 |
| Manufacturer | Hera |
| Launch Year | 1930 |
| Is COSC certified | No |
Technical Details
| Lignes Dimensions | 18.25 ‴ |
|---|---|
| Dimensions | 41.8 mm |
| Height | 4.75 mm |
| Further Measures | Mounting Diameter (Dm): 41.0mm Stem height (T): 2.2mm Mounting Height (F): 0.7mm |
| Power Reserve | 35 hours |
| Frequency | 18,000 vph |
| Jewels | 15 |
Complications and Specifications
| Shape | Round |
|---|---|
| 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 | 2.02 x 1.02 / 0.28mm |
|---|---|
| Hand Count | 3 |
| Country Of Manufacture | (not set) |
| Notes | Remarks: hunter calibre bimetallic screw balance Breguet hairspring 8 gold settings Other data: balance staff: U1036 stem: W1536 |
| Signature | ca. 1930: Hera 1835 |
Metadata
| Created At | Sep 15, 2023 |
|---|---|
| Updated At | May 26, 2026, 4:43:51 AM |
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