5 3/4 x 6 3/4”’ | Hand Wind | Swiss Lever | No Seconds |

Remarks:

• Movement family:
  • Otero 62: 18,000 bph, 3/4 plate
  • Otero 162: 18,000 bph, no 3/4 plate
  • Otero 262: 21,600 bph, no 3/4 plate
  • Otero 362: 21,600 bph, no 3/4 plate, click simplified
  • Otero 365: Changes compared to the 362 according to the data sheet:
    • Different setting lever (shape changed and push pin instead of screw)
    • Stronger winding stem
    • Crown and ratchet wheel with evolute toothing
• There is a special Otero protection container for the movement (see extra picture)

• Listing ID: 4949
• Manufacturer / Brand: Otero
• Caliber: 365
• Size in French Lignes: 5 3/4 x 6 3/4''' (according to the manufacturer: 5 1/2 x 6 3/4''')
• Size range mm largest diameter: 0 - 22 mm
• Shape: Form
• Winding: Manual (Crown)
• Hands Setting: Crown
• Seconds Hand: None
• Escapement: Lever (Swiss, English, Glashütte)
• Date, Day, Month...: None
• Jewels: 17
• Setting Lever Screw/Pin Position: Right
• Balance Position: Right (0 - 120°)
• Shock Protection: Rufa-Anti-Shock
• Beats per hour: 21,600
• Balance Type: Nickel
• Power Reserve: 54 hours
• Production Period: Built from around 1976 at the earliest (1975 is listed on the data sheet as the introduction date of the protective container [see remarks] and it is noted there that it is "still the only one today"). Maximum until 1982 (liquidation of the company)
• Identification: Data sheet from Otero and marking under balance.
• External Link: https://uhrforum.de/threads/identifizierte-uhrwerke-die-weder-bei-ranfft-lorenz-noch-im-watch-wiki-zu-finden-sind.86322/page-3#post-1303895
• Country: Germany
• Contributor ©: Uhrforum.de member Badener (Andreas Kelz)