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ETA 2801
Basic Information
| Name | ETA 2801 |
|---|---|
| Manufacturer | ETA |
| Launch Year | 1971 |
| Caliber Family | Description 28800 A/h 2801: manual wind 2804: manual wind, date 2816: manual wind, day, date 2821: automatic 2824: automatic, date 2826-2: automatic, big date 2828: automatic, day, date 2930: automatic, day, date, Triovis regulator 2834: automatic, day at 12h, date, 13" 2836: automatic, day 2 languages, date 36000 A/h 2819: manual wind 2806: manual wind, date 2817: manual wind, day, date 2826: automatic, date 2832: automatic, day, date 2837: automatic, day 2 languages, date 2838: automatic, day at 12h, date, 13" suffix -1, -2, J2: generations, variants not all versions in all generations Related calibers ETA 2801, ETA 2801-2, ETA 2804, ETA 2804-2, ETA 2806, ETA 2816, ETA 2817, ETA 2819, ETA 2821, ETA 2824, ETA 2824-1, ETA 2824-2, ETA 2824J2, ETA 2826, ETA 2826-2, ETA 2828, ETA 2832, ETA 2834, ETA 2834-1, ETA 2834-2, ETA 2836, ETA 2836-1, ETA 2836-2, ETA 2837, ETA 2838 |
| Is COSC certified | No |
Timegrapher
Beat rate
28,800 bph
Frequency
4 Hz
Lift angle
53 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 | 3.35 mm |
| Further Measures | Mounting Diameter (Dm): 25.6mm Stem height (T): 1.8mm Mounting Height (F): 1.2mm |
| Power Reserve | 46 hours |
| Frequency | 28,800 vph |
| Jewels | 17 |
| Lift Angle | 53 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 0.25mm |
|---|---|
| Hand Count | 3 |
| Country Of Manufacture | Switzerland |
| Notes | Remarks: 1971- Other data: balance staff: ETA 2801 stem: W3408 mainspring / battery: 1.20 x 11.0 x 0.125 x 370mm |
| Signature | ca. 1995: DM, A7A, Swiss, 17 Jewels; Incabloc (ETA 2801-2) |
| Import Codes |
|
Compatible Parts
1079 other caliber(s) share compatible parts with this caliber.
70 compatible part(s) available — Supporter feature.
Metadata
| Created At | Sep 15, 2023 |
|---|---|
| Updated At | Apr 23, 2025, 11:32:11 PM |
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