13 1/2”’ | Automatic | Swiss Lever | Direct Sweeping Seconds |

Remarks:

• Movement family:
  • Eterna 1411: 11 1/2”’, domed dial, no date
  • Eterna 1412: 12 1/2”’, domed dial, no date
  • Eterna 1413: 12 1/2”’, flat dial, no date
  • Eterna 1414: 13”’, domed dial, no date
  • Eterna 1415: 13”’, flat dial, no date
  • Eterna 1416: 13 1/2”’, domed dial, no date
  • Eterna 1421: 11 1/2”’, domed dial, date
  • Eterna 1422: 12 1/2”’, domed dial, date
  • Eterna 1423: 12 1/2”’, flat dial, date
  • Eterna 1424: 13”’, domed dial, date
  • Eterna 1425: 13”’, flat dial, date
  • Eterna 1426: 13 1/2”’, domed dial, date
• Suffix UD: 3-spoke ring balance, new hairspring stud and new hour-wheel spring
• Option: Micrometer regulator

• Listing ID: 19410
• Manufacturer / Brand: Eterna
• Caliber: 1416UD
• Size in French Lignes: 13 1/2'''
• Size range mm largest diameter: 22 - 31 mm
• Shape: Round
• Winding: Automatic
• Hands Setting: Crown
• Seconds Hand: Sweeping seconds (central seconds)
• Escapement: Lever (Swiss, English, Glashütte)
• Date, Day, Month...: None
• Jewels: 17, 21
• Setting Lever Screw/Pin Position: Left
• Balance Position: Right (0 - 120°)
• Shock Protection: Eterna U
• Beats per hour: 18,000
• Balance Type: Glucydur?
• Power Reserve: Approx. 48 hours
• Production Period: 1958+
• Country: Switzerland
• Identification: Movement marked with ETERNA-MATIC and with 1466UD. Listed in the Marshall catalog from 1966.
• Contributor ©: Uhrforum.de member buchenhain
• External Link: https://uhrforum.de/threads/identifizierte-uhrwerke-die-weder-bei-ranfft-lorenz-noch-im-watch-wiki-zu-finden-sind.86322/page-77#post-10707643