Need a part for this caliber? Supporters unlock the parts catalog, factory equivalents, and the donor finder that shows which other movements can supply the part you need.
Become a Supporter
Updates to data and images are welcome from our readers.
Alpina 466
Basic Information
| Name | Alpina 466 |
|---|---|
| Manufacturer | Alpina |
| Launch Year | 1945 |
| Is COSC certified | No |
Timegrapher
Beat rate
19,800 bph
Frequency
2.75 Hz
Lift angle
52 degrees
Reference: healthy amplitude ≈ 270–315° fully wound (>200° at 24 h); beat error ideally < 0.5 ms.
Technical Details
| Lignes Dimensions | 5.75 ‴ x 8.5 ‴ |
|---|---|
| Dimensions | 12.8 mm x 19.6 mm |
| Height | 3.55 mm |
| Further Measures | Mounting Diameter (Dm): 12.8 x 19.3mm Stem height (T): 1.6mm Mounting Height (F): 0.5mm |
| Power Reserve | 42 hours |
| Frequency | 19,800 vph |
| Jewels | 17 |
| Lift Angle | 52 degrees |
Complications and Specifications
| Shape | Rectangle |
|---|---|
| Shock Protection | Incabloc |
| 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 | 1.25 x 0.60mm |
|---|---|
| Hand Count | 2 |
| Country Of Manufacture | Switzerland |
| Notes | Other data: balance staff:
U1705
stem:
W2064
mainspring / battery:
1.25 x 7,5 x 0.08mm
balance staff ronda: 26 (5,25) stem ronda: 659 (5,25)
Mainspring: 1.300 x 7.000 x 0.080 x 240.000 mm Ranfft mentioned about this caliber: There are variants with this quantity of jewels 15, 17 |
| Signature | 1-2) ca. 1945: Alpina 466, Swiss, 15 Jewels - 044 3-4) ca. 1955: Straub, Alpina 466, Swiss, 17 Jewels - 647; Incabloc |
| Import Codes |
Compatible Parts
1147 other caliber(s) share compatible parts with this caliber.
37 compatible part(s) available — Supporter feature.
Metadata
| Created At | Sep 15, 2023 |
|---|---|
| Updated At | Apr 23, 2025, 11:30:50 PM |
Loading...