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Cortebert 518
Basic Information
| Name | Cortebert 518 |
|---|---|
| Manufacturer | Cortébert |
| Launch Year | 1930 |
| Caliber Family | Description 516, 518, 522: open face 517, 519, 523: hunter suffix A: bimetallic screw balance, Reed's regulator suffix B: details not known Related calibers Cortebert 516, Cortebert 516B, Cortebert 517, Cortebert 517A, Cortebert 517B, Cortebert 518, Cortebert 519, Cortebert 522, Cortebert 523 |
| Is COSC certified | No |
Technical Details
| Lignes Dimensions | 17.5 ‴ |
|---|---|
| Dimensions | 39.8 mm |
| Height | 3.8 mm |
| Further Measures | Mounting Diameter (Dm): 39.25mm Winding Gear: 0.2mm Stem height (T): 1.6mm Mounting Height (F): 0.5mm |
| Power Reserve | 33 hours |
| Frequency | 18,000 vph |
| Jewels | 16 |
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 | 1.85 x 1.10 / 0.25mm |
|---|---|
| Hand Count | 3 |
| Country Of Manufacture | (not set) |
| Notes | Remarks: open face calibre Breguet hairspring except varying bridge layouts no differences known between 516, 518, 522 Other data: balance staff: U971 stem: W1470 mainspring / battery: Zf1262, 1.50 x 13.5 x 0.17 x 390mm balance staff ronda: 567 (17,75) Ranfft mentioned about this caliber: There are variants with this quantity of jewels 15, 16 |
| Signature | ca. 1930: Tellus, 516B - 711181 (Cortebert 516B) |
Metadata
| Created At | Sep 15, 2023 |
|---|---|
| Updated At | Apr 23, 2025, 11:31:27 PM |
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