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AS 1686
Basic Information
| Name | AS 1686 |
|---|---|
| Manufacturer | AS |
| Launch Year | 1960 |
| Is in house development | No |
| Is COSC certified | No |
Timegrapher
Beat rate
18,000 bph
Frequency
2.5 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 | 11.5 ‴ |
|---|---|
| Dimensions | 25.9 mm |
| Height | 4.9 mm |
| Further Measures | Mounting Diameter (Dm): 25.6mm Mounting Height (F): 1.1mm |
| Power Reserve | 42 hours |
| Frequency | 18,000 vph |
| Jewels | 17 |
| Lift Angle | 52 degrees |
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 | 1.30 x 0.85 x 0.20mm |
|---|---|
| Hand Count | 3 |
| Country Of Manufacture | Switzerland |
| Notes | Remarks: differences not known between 1686, 1795 Other data: balance staff: U1412 / U2438 / U3130 screw balance, collet 0.6mm / 0.5mm / ring balance stem: W1131 mainspring: Zf1309, 1.60 x 9.0 x 0.10 x 290mm Ranfft mentioned about this caliber: There are variants with this quantity of jewels 7, 17 |
| Signature | ca. 1960: Swiss, 17 Jewels; Incabloc (Standard 1686) |
Compatible Parts
893 other caliber(s) share compatible parts with this caliber.
70 compatible part(s) available — Supporter feature.
Metadata
| Created At | Sep 15, 2023 |
|---|---|
| Updated At | Mar 31, 2026, 2:00:04 PM |
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