6 3/4 x 11”’ | Hand Wind | Swiss Lever | No Seconds |

Remarks:

• ETA 411 and ETA 412 differ only minimally in the shape of the bridges
• There seem to be two different setting lever springs for both movements

 

• Listing ID: 3587
• Manufacturer / Brand: ETA
• Caliber: 411
• Size: 6 3/4 x 11'''
• Shape: Form
• Winding: Manual (Crown)
• Hand Setting: Crown
• Seconds Hand: None
• Escapement: Lever (Swiss, English, Glashütte)
• Date & Day: None
• Jewels: 15
• Setting Lever Screw/Pin Position: Right
• Balance Position: Right (0 - 120°)
• Shock Protection: None
• Beats per hour: 18,000
• Balance Type: Monometallic screw balance
• Power Reserve: Unknown
• Production Period: Unknown, but probably before 1936, as old EA logo on the dial. From 1936, the Ebauches SA logo ("cloud") was used
• Identification: Listed in the Classification Horlogère from 1936. Marked 411 in an oval under balance wheel.
• External Link: https://uhrforum.de/threads/identifizierte-uhrwerke-die-weder-bei-ranfft-lorenz-noch-im-watch-wiki-zu-finden-sind.86322/page-22#post-3322611
• Country: Switzerland
• Contributor ©: Uhrforum.de member Badener (Andreas Kelz)