10 1/2”’ | Hand Wind | Swiss Lever | Direct Sweeping Seconds |

Remarks:

• Movement family:
  • Durowe / INT 451: no date
  • Durowe / INT 451-2: date
  • Durowe / INT 451-3: date, day

• Listing ID: 12025
• Manufacturer / Brand: Durowe / INT
• Caliber: 451
• Size in French Lignes: 10 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: Left
• Balance Position: Bottom (120 - 240°)
• Shock Protection: Duro-Swing
• Beats per hour: 21,600
• Balance Type: Glucydur
• Power Reserve: Unknown
• Production Period: 1968 - 1970
• Country: Germany
• Identification: Movement marked with Durowe logo, INT logo and 451 under the balance wheel. Listed in the Flume K3 catalog from 1972.
• Contributor ©: Uhrforum.de member Badener (Andreas Kelz)