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AS 1838
Basic Information
| Name | AS 1838 |
|---|---|
| Manufacturer | AS |
| Launch Year | 1972 |
| Caliber Family | Description 18000 / 21600A/h (quick-set) respectively: 1714 / 1860 : manual 1715(1838)/1861(1871): manual, date 1819(1830)/1865(1875): manual, day/date 1716 / 1862 : auto 1717(1839)/1863(1873): auto, date 1820(1831)/1866(1876): auto, day/date Related calibers AS 1714, AS 1715, AS 1716, AS 1717, AS 1819, AS 1820, AS 1830, AS 1831, AS 1838, AS 1839, AS 1860, AS 1861, AS 1862, AS 1863, AS 1865, AS 1866, AS 1871, AS 1873, AS 1875, AS 1876 |
| 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 | 3.15 mm |
| Further Measures | Mounting Diameter (Dm): 25.6mm Stem height (T): 1.8mm Mounting Height (F): 1.2mm |
| Power Reserve | 46 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 | 1.50 x 0.90 x 0.21mm |
|---|---|
| Hand Count | 3 |
| Country Of Manufacture | Switzerland |
| Notes | Remarks: indirectly driven minute allows a big balance and low profile Other data: balance staff: U3113 stem: W3335 mainspring / battery: 1.00 x 10.5 x 0.12 x 330mm balance staff ronda: 5115 (11,5) |
| Signature | 1972: Mido, Swiss, Cal.001147-2NCD, 21.600 A/h, 17 Jewels; Incabloc (Mido 001147-2NCD, 21600A/h) |
Compatible Parts
1350 other caliber(s) share compatible parts with this caliber.
63 compatible part(s) available — Supporter feature.
Metadata
| Created At | Sep 15, 2023 |
|---|---|
| Updated At | Apr 23, 2025, 11:31:04 PM |
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