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

Remarks:

• Largely identical to Durowe 445 (modified balance cock, regulator without arm, rhodium-plated bridges)

• Listing ID: 3518
• Manufacturer / Brand: Durowe
• Caliber: 446
• 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: Screw balance
• Power Reserve: Unknown
• Production Period: Late 1950s?
• Country: Germany
• Identification: Movement marked with D 446 under balance.
• Contributor ©: Uhrforum.de member hiltibrant
• External Link: https://uhrforum.de/threads/identifizierte-uhrwerke-die-weder-bei-ranfft-lorenz-noch-im-watch-wiki-zu-finden-sind.86322/page-23#post-3423297