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Eterna 1429U
Basic Information
| Name | Eterna 1429U |
|---|---|
| Manufacturer | Eterna |
| Launch Year | 1955 |
| Caliber Family | Description 1427: 11.5" , automatic 1428: 12.5" , automatic 1429: 13 " , automatic 1431: 11.5" , manual wind 1432: 12.5" , manual wind 1433: 13 " , manual wind 1438: 12.5" , automatic, date 1439: 13 " , automatic, date 1453: 12.5" , automatic, date suffix B: no second Related calibers Eterna 1427U, Eterna 1428U, Eterna 1429U, Eterna 1429UB, Eterna 1438U, Eterna 1439U, Eterna 1453U |
| Is COSC certified | No |
Technical Details
| Lignes Dimensions | 13 ‴ |
|---|---|
| Dimensions | 29.4 mm |
| Height | 4.6 mm |
| Further Measures | Mounting Diameter (Dm): 29.0mm Stem height (T): 1.5mm Mounting Height (F): 1.2mm |
| Power Reserve | 47 hours |
| Frequency | 18,000 vph |
| Jewels | 21 |
Complications and Specifications
| Shape | Round |
|---|---|
| Complications |
|
| 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 | (not set) |
| Notes | Remarks: 1955- when introduced thinnest automatic option: crank regulator (Fig.4) Other data: balance staff: U2829 stem: W2618 mainspring / battery: 1.10 x 11.0 x 0.11mm |
| Signature | 1-3) 1956: 3940254, Eterna-Matic, Brevete, 21 Rubis - Patented; Eterna-U 4) 1959: 4741690, Eterna-Matic, Brevete, 21 Rubis - Patented; Eterna-U (Eterna 1428U, 12.5" ) |
| Import Codes |
Metadata
| Created At | Sep 15, 2023 |
|---|---|
| Updated At | Apr 23, 2025, 11:32:19 PM |
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