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AS 1828
Basic Information
| Name | AS 1828 |
|---|---|
| Manufacturer | AS |
| Launch Year | 1965 |
| 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
21,600 bph
Frequency
3 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 | 19.7 mm |
| Height | 3.45 mm |
| Further Measures | Mounting Diameter (Dm): 19.4mm Stem height (T): 1.7mm Mounting Height (F): 0.9mm |
| Power Reserve | 45 hours |
| Frequency | 21,600 vph |
| Jewels | 17 |
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 | 1.20 x 0.65 / 0.18mm |
|---|---|
| Hand Count | 3 |
| Country Of Manufacture | Switzerland |
| Notes | Remarks: The movements of this family were made with different balances, partially with the same, partially with different calibre designations. Catalogues differ regarding the differences, but these are small enough to interchange the parts. differences not known between 1727, 1828 Attention, there are equally looking calibres with H= 3.0mm Other data: balance staff: U594 stem: W138 mainspring / battery: Zf1298, 1.60 x 7.5 x 0.08 x 250mm balance staff ronda: 143 (11,25) Mainspring: 1.600 x 7.000 x 0.080 x 260.000 mm |
| Signature | ca. 1965: Roamer, 17 Jewels Swiss; Incabloc (AS 1727, refined and applied 2004) |
Compatible Parts
No parts linked yet for this caliber.
Metadata
| Created At | Sep 15, 2023 |
|---|---|
| Updated At | Apr 23, 2025, 11:31:04 PM |
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