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Alpina 680
Basic Information
| Name | Alpina 680 |
|---|---|
| Alternative Name | Venus 75 |
| Base Calibre | Venus 75 (SC) |
| Manufacturer | Alpina |
| Launch Year | 1945 |
| Caliber Family | Description 615: sub second, monometallic balance 625: sub second, bimetallic balance 680: sweep second, monometallic balance Related calibers Alpina 615, Alpina 625, Alpina 680 |
| 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 | 10.5 ‴ |
|---|---|
| Dimensions | 23.65 mm |
| Height | (not set) |
| Further Measures | Mounting Diameter (Dm): 23.3mm Stem height (T): 1.9mm Mounting Height (F): 0.4mm |
| Power Reserve | 45 hours |
| Frequency | 18,000 vph |
| Jewels | 15 |
Complications and Specifications
| Shape | Round |
|---|---|
| Complications |
|
| 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 | 1.40 x 0.80mm |
|---|---|
| Hand Count | 3 |
| Country Of Manufacture | Switzerland |
| Notes | Other data: balance staff: U141 stem: W178 mainspring / battery: Zf1469, 1.80 x 9.0 x 0.10 x 290mm |
| Signature | ca. 1945: 615; Incabloc (Alpina 615, sub second) |
| Import Codes |
Compatible Parts
No parts linked yet for this caliber.
Metadata
| Created At | Sep 15, 2023 |
|---|---|
| Updated At | May 26, 2026, 4:43:42 AM |
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