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AS 1430
Basic Information
| Name | AS 1430 |
|---|---|
| Manufacturer | AS |
| Launch Year | 1955 |
| Caliber Family | Description 1430: - 1441: date 1442: day, date 1485: power reserve display, differing balance 1501: power reserve display extension N: minor modifcations of date Related calibers AS 1430, AS 1441, AS 1441N, AS 1442, AS 1442N, AS 1485, AS 1501 |
| 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 | 26 mm |
| Height | 4.5 mm |
| Further Measures | Mounting Diameter (Dm): 25.6mm |
| Power Reserve | 41 hours |
| Frequency | 18,000 vph |
| Jewels | 21 |
| 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 | 1.50 x 0.90 x 0.22mm |
|---|---|
| Hand Count | 3 |
| Country Of Manufacture | Switzerland |
| Notes | Remarks: in late samples Girocap combined setting for escape wheel Other data: balance staff: U1404 / U2600 balance with/without screws stem: W1135 mainspring / battery: Zf1275, 1.55 x 10.0 x 0.11 x 320mm balance staff ronda: 3868 (11,5) stem ronda: 80 (10,5) stem ronda: 998 (10,5) Ranfft mentioned about this caliber: There are variants with this quantity of jewels 17, 21 |
| Signature | 1-2) ca. 1955: Swiss Made, 17 Rubis - HJ; Incabloc 3) ca. 1950: Etna Watch Co, Swiss, 17 Jewels; Incabloc |
| Known Models |
Compatible Parts
1355 other caliber(s) share compatible parts with this caliber.
102 compatible part(s) available — Supporter feature.
Metadata
| Created At | Sep 15, 2023 |
|---|---|
| Updated At | May 28, 2026, 3:05:49 AM |
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