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Cortebert 270
Basic Information
| Name | Cortebert 270 |
|---|---|
| Alternative Name | ETA 2451 |
| Base Calibre | ETA 2451 |
| Manufacturer | Cortébert |
| Launch Year | 1965 |
| Caliber Family | Description 266: manual wind 270: automatic 271: automatic, date 286: automatic, new date mechanism Related calibers Cortebert 266, Cortebert 270, Cortebert 271, Cortebert 286 |
| Is COSC certified | No |
Technical Details
| Lignes Dimensions | 11.5 ‴ |
|---|---|
| Dimensions | 26 mm |
| Height | 5.3 mm |
| Further Measures | Mounting Diameter (Dm): 25.6mm Stem height (T): 1.85mm Mounting Height (F): 1.4mm |
| Power Reserve | 43 hours |
| Frequency | 18,000 vph |
| Jewels | 21 |
Complications and Specifications
| Shape | Round |
|---|---|
| Complications |
|
| Shock Protection | Incabloc |
| Regulator Type | Pinned Regulator (or Index Regulator) |
| Movement Type | Automatic |
| Rotor Type | Central Rotor |
| Escapement Type | Swiss Lever |
| Control Type | Balance Wheel |
| Winding Type | Automatic (Rotor-Driven) |
| Setting Type | Stem Set (Crown Pull) |
Additional Information
| Hand Sizes | 1.50 x 0.90 x 0.21mm |
|---|---|
| Hand Count | 3 |
| Country Of Manufacture | Switzerland |
| Notes | Remarks: balance, barrel from Cortebert Other data: balance staff: U2429 stem: W2426 mainspring / battery: Zf853, 1.30 x 9.5 x 0.10 x 320mm |
| Signature | ca. 1965: Cort.270, 21 Jewels, Swiss Made - WN, Patented; Incabloc |
| Import Codes |
Metadata
| Created At | Sep 15, 2023 |
|---|---|
| Updated At | May 26, 2026, 4:43:43 AM |
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