Discuss calibers, share photos, and improve our database together on Discord
Join Community
Updates to data and images are welcome from our readers.
ETA 1260
Basic Information
| Name | ETA 1260 |
|---|---|
| Manufacturer | ETA |
| Launch Year | 1955 |
| Caliber Family | Description 1260: 10.5" , H= 3.95mm 1261: 11.5" , H= 3.95mm 1280: 10.5" , H= 3.6mm 1281: 11.5" , H= 3.6mm Related calibers ETA 1260, ETA 1261, ETA 1262, ETA 1263, ETA 1264, ETA 1265, ETA 1266, ETA 1267, ETA 1268, ETA 1269, ETA 1270, ETA 1271, ETA 1272, ETA 1273, ETA 1276, ETA 1277, ETA 1280, ETA 1281 |
| Is in house development | No |
| Is COSC certified | No |
Technical Details
| Lignes Dimensions | 10.5 ‴ |
|---|---|
| Dimensions | 23.7 mm |
| Height | 3.95 mm |
| Further Measures | Mounting Diameter (Dm): 23.3mm Stem height (T): 1.8mm Mounting Height (F): 0.9mm |
| Power Reserve | 53 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 0.80 / 0.21mm |
|---|---|
| Hand Count | 3 |
| Country Of Manufacture | (not set) |
| Notes | Remarks: differences not known between 1260, 1262, 1264, 1266, 1268, 1270, 1272, 1276 Other data: balance staff: U1885 / U3135 balance with/without screws stem: W2120 mainspring / battery: Zf1473, 1.80 x 9.5 x 0.11 x 290mm balance staff ronda: 2971 (10,5-11,5) stem ronda: 207 (10,5) stem ronda: 521 (10,5) Mainspring: 1.800 x 9.000 x 0.105 x 300.000 mm |
| Signature | ca. 1955: Pontiac - CS; Incabloc |
| Import Codes |
|
Metadata
| Created At | Sep 15, 2023 |
|---|---|
| Updated At | Apr 23, 2025, 11:32:06 PM |
Loading...