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Alpina 617
Basic Information
| Name | Alpina 617 |
|---|---|
| Base Calibre | Venus 60-II |
| Manufacturer | Alpina |
| Launch Year | 1925 |
| 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 | 8.75 ‴ |
|---|---|
| Dimensions | 19.7 mm |
| Height | 3.4 mm |
| Further Measures | Mounting Diameter (Dm): 19.4mm Stem height (T): 1.7mm Mounting Height (F): 0.5mm |
| Power Reserve | 34 hours |
| Frequency | 18,000 vph |
| Jewels | 15 |
Complications and Specifications
| Shape | Round |
|---|---|
| Complications |
|
| 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 0.60 / 0.12mm |
|---|---|
| Hand Count | 3 |
| Country Of Manufacture | Switzerland |
| Notes | Remarks: different bridge shapes (cf. Alpina 641) bimetallic screw balance, just optionally cut differences not known between 617, 669 Other data: balance staff: U42 stem: W160 mainspring / battery: Zf570, 1.15 x 7.5 x 0.09 x 220mm generations: 641 (Venus 60-I): - 617, 669 (Venus 60-II): setting-lever spring improved A list from Alpina claims the Venus 60-III as base for the Alpina 669, but until now no according sample was noticed. |
| Signature | ca. 1925: Alpina, 669 (Alpina 669) |
Compatible Parts
No parts linked yet for this caliber.
Metadata
| Created At | Sep 15, 2023 |
|---|---|
| Updated At | Apr 23, 2025, 11:30:51 PM |
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