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AS 1457
Basic Information
| Name | AS 1457 |
|---|---|
| Manufacturer | AS |
| Launch Year | 1950 |
| Caliber Family | Description separate bridge for automatic click: 1336, 1427: smaller pillar plate 11.25" 1361, 1423, 1457, 1490, 1519: - 1382, 1448: power-reserve hand at 12h 1395, 1468: day, date pusher 1396, 1447, 1476: date pusher 1402, 1493: calendar, moon phase 1424, 1479: power-reserve center hand 1463, 1488: power reserve display, window 1555: date automatic click beared in automatic brige: 1512, 1523: power-reserve hand at 12h 1515, 1571: day, date pusher 1520: power-reserve center hand 1572, 1578, 1659: date 1574: power reserve display, window 1583, 1584, 1585: - suffix N (not all calibres): modifications of automatic parts, not visible from outside Related calibers AS 1336, AS 1336N, AS 1361, AS 1361N, AS 1382, AS 1382N, AS 1395, AS 1395N, AS 1396, AS 1396N, AS 1402, AS 1402N, AS 1423, AS 1424, AS 1424N, AS 1427, AS 1447, AS 1448, AS 1457, AS 1457N, AS 1463, AS 1468, AS 1476, AS 1476N, AS 1479, AS 1488, AS 1490, AS 1493, AS 1512, AS 1515, AS 1519, AS 1520, AS 1523, AS 1555, AS 1555N, AS 1571, AS 1572, AS 1574, AS 1578, AS 1583, AS 1583N, AS 1584, AS 1585, AS 1659 |
| 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 | 11.5 ‴ |
|---|---|
| Dimensions | 26 mm |
| Height | 5.75 mm |
| Further Measures | Mounting Diameter (Dm): 25.6mm Stem height (T): 2.2mm Mounting Height (F): 1.2mm |
| Power Reserve | 38 hours |
| Frequency | 18,000 vph |
| Jewels | 21 |
Complications and Specifications
| Shape | Round |
|---|---|
| Complications |
|
| Shock Protection | Incabloc |
| Regulator Type | Pinned Regulator (or Index Regulator) |
| Movement Type | Automatic |
| Rotor Type | Central Rotor |
| Escapement Type | Swiss Lever |
| Control Type | Balance Wheel |
| Winding Type | Automatic (Rotor-Driven) |
| Setting Type | Stem Set (Crown Pull) |
Additional Information
| Hand Sizes | 1.30 x 0.90 x 0.22mm |
|---|---|
| Hand Count | 3 |
| Country Of Manufacture | Switzerland |
| Notes | Remarks: detached manual wind differences not known between 1361, 1423, 1457 Other data: balance staff: U2423 / U3133 balance with/without screws stem: W2056 mainspring / battery: Zf1121, 1.45 x 8.5 x 0.10 x 250mm balance staff ronda: 3605 (11,25-11,5) stem ronda: 282 (11,5) Ranfft mentioned about this caliber: There are variants with this quantity of jewels 17, 21 |
| Signature | ca. 1950: Swiss, 21 Jewels; Incabloc (AS 1361) |
Compatible Parts
675 other caliber(s) share compatible parts with this caliber.
130 compatible part(s) available — Supporter feature.
Metadata
| Created At | Sep 15, 2023 |
|---|---|
| Updated At | Apr 23, 2025, 11:31:00 PM |
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