11 1/2”’ | Hand Wind | Swiss Lever | Direct Sweeping Seconds |

Remarks:

• Same movement with smaller base plate (11 1/2”’): ETA 1080
• Base plate always marked with 1080 instead of 1081

• Listing ID: 7042
• Manufacturer / Brand: ETA / Benrus
• Caliber: ETA 1081 = Benrus BH
• Size in French Lignes: 11 1/2'''
• Size range mm largest diameter: 22 - 31 mm
• Shape: Round
• Winding: Manual (Crown)
• Hands Setting: Crown
• Seconds Hand: Sweeping seconds (central seconds)
• Escapement: Lever (Swiss, English, Glashütte)
• Date, Day, Month...: None
• Jewels: 17
• Setting Lever Screw/Pin Position: Right
• Balance Position: Bottom (120 - 240°)
• Shock Protection: Benrus specific
• Beats per hour: 18,000
• Balance Type: Monometallic screw balance
• Power Reserve: Approx. 40 hours
• Production Period: Unknown, probably around 1949
• Identification: Movement marked with ETA logo and 1080 under the balance wheel (see remarks above). Trains wheel bridge marked with BENRUS BH. Listed as ETA 1081 in the Classification Horlogère from 1949.
• Country: U. S. A. / Switzerland
• Contributor ©: Uhrforum.de member Badener (Andreas Kelz)