10 1/2”’ | Hand Wind | Swiss Lever | No Seconds |

Remarks:

• The setting lever spring of the movement shown here is broken off
• The Ebauches SA catalog from 1928 and the Paulson catalog from 1950 show different bridge shapes of the movement: 232A, 232B, 232C (see extra picture). None of them matches the movement shown here
• Movement family:
  • Sonceboz 232: 10 1/2”’, height 3.95 mm
  • Sonceboz 263: 10 1/2”’, height 3.42 mm

• Listing ID: 4051
• Manufacturer / Brand: Sonceboz
• Caliber: 232
• Size in French Lignes: 10 1/2''', height 3.95 mm
• Size range mm largest diameter: 22 - 31 mm
• Shape: Round
• Winding: Manual (Crown)
• Hands Setting: Crown
• Seconds Hand: None
• Escapement: Lever (Swiss, English, Glashütte)
• Date, Day, Month...: None
• Jewels: 15
• Setting Lever Screw/Pin Position: Left
• Balance Position: Bottom (120 - 240°)
• Shock Protection: None
• Beats per hour: 18,000
• Balance Type: Monometallic screw balance
• Power Reserve: Unknown
• Production Period: Unknown
• Identification: Listed in the Flume K1 catalog in the 1947 part.
• External Link: https://uhrforum.de/threads/identifizierte-uhrwerke-die-weder-bei-ranfft-lorenz-noch-im-watch-wiki-zu-finden-sind.86322/page-16#post-2746549
• Country: Switzerland
• Contributor ©: Uhrforum.de member Badener (Andreas Kelz)