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

Remarks:

• Microrotor automatic, also called Super Slender Automatic
• Movement family:
  • Buren 1000: indirect sweeping seconds
  • Buren 1001: indirect sweeping seconds, date
  • Buren 1002: as 1000, but different bridge shapes
  • Buren 1003: as 1001, but different bridge shapes
  • Buren 1000A: indirect sweeping seconds, automatic parts changed
  • Buren 1001A: indirect sweeping seconds, date, automatic parts changed
  • Buren 1002A: as 1000A, but different bridge shapes, automatic parts changed
  • Buren 1003A: as 1001A, but different bridge shapes, automatic parts changed
  • Buren 1005: as 1000, automatic parts changed again
  • Buren 1006: as 1001, automatic parts changed again
  • Buren 1007: as 1002, automatic parts changed again
  • Buren 1008: as 1003, automatic parts changed again

• Listing ID: 6392
• Manufacturer / Brand: Buren / Dugena
• Caliber: Buren 1001A = Dugena 1010A
• 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...: Date
• Jewels: 33
• Setting Lever Screw/Pin Position: Right
• Balance Position: Left (240 - 360°)
• Shock Protection: Incabloc
• Beats per hour: 18,000
• Balance Type: Monometallic screw balance
• Power Reserve: 45 hours
• Production Period: Unknown. Buren 1000: 1957 - 1962
• Identification: Movement marked with 1001A under the balance bridge, and with 1010A DUGENA on the wheel train bridge. Listed in the Flume K3 catalog from 1972.
• Country: Switzerland
• Contributor ©: Uhrforum.de member Badener (Andreas Kelz)