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 861
Basic Information
| Name | Alpina 861 |
|---|---|
| Alternative Name | Cyma 063-068 |
| Base Calibre | Cyma 063-068 |
| Manufacturer | Alpina |
| Launch Year | 1930 |
| Is COSC certified | No |
Timegrapher
Beat rate
18,000 bph
Frequency
2.5 Hz
Reference: healthy amplitude ≈ 270–315° fully wound (>200° at 24 h); beat error ideally < 0.5 ms.
Technical Details
| Lignes Dimensions | 6.75 ‴ x 11 ‴ |
|---|---|
| Dimensions | 15.23 mm x 24.81 mm |
| Height | 3.7 mm |
| Further Measures | Mounting Diameter (Dm): 15.3 x 24.9mm |
| Power Reserve | 45 hours |
| Frequency | 18,000 vph |
| Jewels | 17 |
Complications and Specifications
| Shape | Rectangle |
|---|---|
| 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 | 1.20 x 0.78mm |
|---|---|
| Hand Count | 2 |
| Country Of Manufacture | Switzerland |
| Notes | Remarks: bimetallic screw balance winding pinion with helical gearing Other data: balance staff: U96 stem: W1216 mainspring / battery: Zf675, 1.20 x 9.5 x 0.10 x 315mm stem ronda: 684 |
| Signature | ca. 1930: TXW, 282609, Ref.064, Tavannes Watch Co, Swiss, U.S.Pat., 17 Jewels (Cyma 064) |
Compatible Parts
No parts linked yet for this caliber.
Metadata
| Created At | Sep 15, 2023 |
|---|---|
| Updated At | May 26, 2026, 4:43:42 AM |
Loading...