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

Remarks:

• Movement family:
  • Otero 74: no date
  • Otero 742: date

• Listing ID: 13712
• Manufacturer / Brand: Otero / Dugena
• Caliber: Otero 74 = Dugena 1168
• 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: Trishock
• Beats per hour: 18,000
• Balance Type: Nickel
• Power Reserve: Approx. 43 hours
• Production Period: Unknwon, probably around 1970
• Country: Germany
• Identification: Marked with 74 and Otero logo. Ratchet wheel marked with Dugena 1168. Listed as Otero in the Flume K3 catalog from 1972.
• 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-72#post-10103083