6 3/4 x 8”’ | Hand Wind | Swiss Lever | No Seconds |

Remarks:

• Otero movement family:
  • Otero 37: indirect sweeping seconds
  • Otero 137: no seconds
  • Otero 371: indirect sweeping seconds, date
  • Otero 1371: no seconds, date

• Listing ID: 18495
• Manufacturer / Brand: Otero / Dugena
• Caliber: Otero 137
• Size in French Lignes: 6 3/4 x 8'''
• 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: Left
• Balance Position: Left (240 - 360°)
• Holes in setting lever spring or rocking bar: 3
• Shock Protection: Rufa-Anti-Shock
• Beats per hour: 18,000
• Balance Type: Nickel
• Power Reserve: Unknown
• Production Period: Unknown, probably around 1962
• Country: Germany
• Identification: Movement marked with Otero logo and 137, and with Dugena 953. Listed in the Flume K2 catalog from 1962.
• Contributor ©: Uhrforum.de member Badener (Andreas Kelz)