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Alpina 143
Basic Information
| Name | Alpina 143 |
|---|---|
| Alternative Name | Langendorf 550 |
| Base Calibre | Langendorf 550 |
| Manufacturer | Alpina |
| Launch Year | 1920 |
| Is COSC certified | No |
Technical Details
| Lignes Dimensions | 18 ‴ |
|---|---|
| Dimensions | 40.55 mm |
| Height | 5.7 mm |
| Further Measures | Mounting Diameter (Dm): 40.0mm Stem height (T): 2.8mm Mounting Height (F): 0.7mm |
| Power Reserve | 38 hours |
| Frequency | 18,000 vph |
| Jewels | 10 |
Complications and Specifications
| Shape | Round |
|---|---|
| Complications |
|
| Regulator Type | Pinned Regulator (or Index Regulator) |
| Movement Type | Manual |
| Escapement Type | Cylinder |
| Control Type | Balance Wheel |
| Winding Type | Stem Winding (Crown) |
| Setting Type | Pin Set (Pin-Push) |
Additional Information
| Hand Sizes | 2.05 x 1.20 / 0.29mm |
|---|---|
| Hand Count | 3 |
| Country Of Manufacture | (not set) |
| Notes | Remarks: open face calibre cylinder escapement brands: A, Festa Other data: balance staff: Cyl. 1.02 x 4.90 x 1.20mm stem: W1643 mainspring / battery: Zf3641, 2.20 x 16.0 x 0.20 x 460mm Ranfft mentioned about this caliber: There are variants with this quantity of jewels 6, 10 |
| Signature | ca. 1920: P, B-, Alpina 143 |
Metadata
| Created At | Sep 15, 2023 |
|---|---|
| Updated At | May 26, 2026, 4:43:41 AM |
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