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AS 1159
Basic Information
| Name | AS 1159 |
|---|---|
| Manufacturer | AS |
| Launch Year | 1935 |
| Caliber Family | Description 18000 A/h, 1st balance, plate and bridges plane, : 970, 980, 987, 999, 1014, 1036, 1047, 1056, 1090, 1210, 1217, 1251, 1254, 1276, 1375, 1386: sub second 1003, 1018, 1126: sweep second 1359: sub second, date 18000 A/h, 2nd balance, edges bevelled: 970 III, 1354, 1376, 1556: sub second 1156: sub second, no mounting flange 1159: sweep second 21600 A/h, 2nd balance: 1726: sub second, plate and bridges plane 1727, 1828: sub second, edges bevelled Related calibers AS 1003, AS 1014, AS 1018, AS 1036, AS 1047, AS 1056, AS 1090, AS 1126, AS 1156, AS 1159, AS 1210, AS 1217, AS 1251, AS 1254, AS 1276, AS 1354, AS 1359, AS 1375, AS 1376, AS 1386, AS 1556, AS 1726, AS 1727, AS 1828, AS 970, AS 970 III, AS 980, AS 987, AS 999 |
| 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 | 19.4 mm |
| Height | 4.3 mm |
| Further Measures | Mounting Diameter (Dm): 19.4mm Stem height (T): 1.7mm Mounting Height (F): 0.9mm |
| Power Reserve | 45 hours |
| Frequency | 18,000 vph |
| Jewels | 17 |
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 0.85 x 0.36mm |
|---|---|
| Hand Count | 3 |
| Country Of Manufacture | Switzerland |
| Notes | Remarks: 1935-1967, <16.000.000 (all variants) option: bimetallic screw balance also without separate escape-wheel cock often or always signed as AS 979 differences not known between 1003, 1018 Other data: balance staff: U594 stem: W138 mainspring / battery: Zf1298, 1.60 x 7.5 x 0.08 x 250mm balance staff ronda: 143 (8,75) stem ronda: 149 (8,75) stem ronda: 181 (8,75) Other data: stem ronda: 149 (8,75) Mainspring: 1.600 x 7.000 x 0.080 x 260.000 mm Ranfft mentioned about this caliber: There are variants with this quantity of jewels 7, 15, 17 |
| Signature | ca. 1940: M, Swiss Made, 17 Jewels - AS 970 (AS 1003) |
Compatible Parts
748 other caliber(s) share compatible parts with this caliber.
61 compatible part(s) available — Supporter feature.
Metadata
| Created At | Sep 15, 2023 |
|---|---|
| Updated At | Apr 23, 2025, 11:30:57 PM |
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