11 1/2”’ | Hand Wind | Swiss Lever | Direct Sweeping Seconds |

Remarks:

• Movement family:
  • Hermann Becker HB 115 MS: no date
  • Hermann Becker HB 115 MS CLD: date
• First German movement with 11 1/2”’ and direct sweeping seconds

• Listing ID: 11462
• Manufacturer / Brand: Hermann Becker
• Caliber: HB 115 MS
• Size in French Lignes: 11 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: Right
• Balance Position: Right (0 - 120°)
• Shock Protection: Super-Shock-Resist
• Beats per hour: 18,000
• Balance Type: Monometallic screw balance
• Power Reserve: Approx. 44 hours
• Production Period: Unknown, probably around 1950+
• Identification: Movement marked with HB 115 MS on the dial side. Listed in the Flume K1 catalog in the part from 1952. Mentioned in "Neue Uhrmacher Zeitung" 15/1961.
• Country: Germany
• Contributor ©: Uhrforum.de member Badener (Andreas Kelz)