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Alpina 571
Basic Information
| Name | Alpina 571 |
|---|---|
| Alternative Name | AS 1580 |
| Base Calibre | AS 1580 |
| Manufacturer | Alpina |
| Launch Year | 1955 |
| Caliber Family | Description 571: automatic 571C: automatic, date bridges, rotor, date modified: 572: automatic 572C: automatic, date Related calibers Alpina 571, Alpina 571C, Alpina 572, Alpina 572C |
| Is COSC certified | No |
Technical Details
| Lignes Dimensions | 11.5 ‴ |
|---|---|
| Dimensions | 26 mm |
| Height | 5.2 mm |
| Further Measures | Mounting Diameter (Dm): 25.6mm Stem height (T): 2.0mm Mounting Height (F): 1.2mm |
| Power Reserve | 41 hours |
| Frequency | 18,000 vph |
| Jewels | 25 |
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: 1955- detached manual wind Other data: balance staff: U2450 / U3140 balance with/without screws stem: W2541 mainspring / battery: Zf675, 1.20 x 9.5 x 0.10 x 315mm Mainspring: 1.200 x 10.000 x 0.100 x 340.000 mm Ranfft mentioned about this caliber: There are variants with this quantity of jewels 17, 25 |
| Signature | 1-2) ca. 1955: 749777, Alpina, 571, Swiss, 25 Jewels; Incabloc 3-5) ca. 1960: 764335, Swiss, 17 Jewels; Incabloc (actually 25 jewels) |
| Import Codes |
Metadata
| Created At | Sep 15, 2023 |
|---|---|
| Updated At | May 26, 2026, 4:43:42 AM |
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