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

Remarks:

• See also Durowe 450

• Listing ID: 21145
• Manufacturer / Brand: Durowe / Kienzle
• Caliber: Kienzle 071/17 = Durowe 450
• 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: 18,000
• Balance Type: Gold-plated nickel
• Power Reserve: Approx. 40 hours
• Production Period: As Durowe 450 approx. 1964 - 1968
• Country: Germany
• Identification: Movement marked with KIENZLE 071/17. As Durowe 450 listed in the Engelkemper catalog from 1969, as Kienzle 071/17 in the Flume K3 catalog from 1972.
• Contributor ©: Uhrforum.de member Badener (Andreas Kelz)
• External Link: https://uhrforum.de/threads/identifizierte-uhrwerke-die-weder-bei-ranfft-lorenz-noch-im-watch-wiki-zu-finden-sind.86322/page-80#post-10937135