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ETA 1100
Basic Information
| Name | ETA 1100 |
|---|---|
| Manufacturer | ETA |
| Launch Year | 1955 |
| Caliber Family | Description 1100, 1102, 1104, 1106: 12" 1101, 1103, 1105, 1107: 13" 1113: 13" , prepared for date version 1114: 13" , date 1168: 12" , chronograph Related calibers ETA 1100, ETA 1101, ETA 1102, ETA 1103, ETA 1104, ETA 1105, ETA 1106, ETA 1107, ETA 1113, ETA 1114, ETA 1168 |
| Is COSC certified | No |
Timegrapher
Beat rate
18,000 bph
Frequency
2.5 Hz
Lift angle
48 degrees
Reference: healthy amplitude ≈ 270–315° fully wound (>200° at 24 h); beat error ideally < 0.5 ms.
Technical Details
| Lignes Dimensions | 12 ‴ |
|---|---|
| Dimensions | 27 mm |
| Height | 4.5 mm |
| Further Measures | Mounting Diameter (Dm): 26.6mm Stem height (T): 2.4mm Mounting Height (F): 1.7mm |
| Power Reserve | 42 hours |
| Frequency | 18,000 vph |
| Jewels | 21 |
| Lift Angle | 48 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 0.20mm |
|---|---|
| Hand Count | 3 |
| Country Of Manufacture | Switzerland |
| Notes | Remarks: differences 1100, 1102, 1104, 1106 unknown Other data: balance staff: U1416 / U3228 balance with/without screws stem: W1130 mainspring / battery: Zf1246, 1.50 x 10.5 x 0.13 x 300mm balance staff ronda: 4247 (12-13) balance staff ronda: 834 (12-13) balance staff ronda: 889 (12-13) balance staff ronda: 3228 (12-13) stem ronda: 61 (12-13) Mainspring: 1.500 x 10.500 x 0.130 x 320.000 mm Ranfft mentioned about this caliber: There are variants with this quantity of jewels 15, 17, 18, 21 |
| Signature | ca. 1955: Verdal, 18 Jewels - NF; Incabloc |
| Import Codes |
|
Compatible Parts
446 other caliber(s) share compatible parts with this caliber.
138 compatible part(s) available — Supporter feature.
Metadata
| Created At | Sep 15, 2023 |
|---|---|
| Updated At | Apr 23, 2025, 11:32:04 PM |
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