12 1/2”’ | Automatic | Swiss Lever | Sweeping Seconds |

Remarks:

• Microrotor automatic, also called intramatic
• Movement family:
  • Buren 1280: no seconds
  • Buren 1281: no seconds, date, for curved dial
  • Buren 1282: no seconds, date, for flat dial
  • Buren 1320: sweeping seconds
  • Buren 1321: sweeping seconds, date, for curved dial
  • Buren 1322: sweeping seconds, date, for flat dial

• Listing ID: 6400
• Manufacturer / Brand: Buren / Dugena
• Caliber: 1320
• Size in French Lignes: 12 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: 30
• Setting Lever Screw/Pin Position: Right
• Balance Position: Left (240 - 360°)
• Shock Protection: Incabloc
• Beats per hour: 19,800
• Balance Type: Glucydur
• Power Reserve: Approx. 54 hours
• Production Period: From 1965 onwards
• Country: Switzerland
• Identification: Marked with DUGENA 1320. Listed as Buren 1320 in the Engelkemper catalog from 1969.
• Contributor ©: Uhrforum.de member Badener (Andreas Kelz)