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

Remarks:

• Early specimens with fixed hairspring stud-holder and without cut-out on the balance cock
• Movement family:
  • HB 312: automatic
  • HB 313: automatic, date, optional: digital display
  • HB 314: hand winding, date

• Listing ID: 8839
• Manufacturer / Brand: Hermann Becker
• Caliber: HB 313
• Size in French Lignes: 11 1/2'''
• Size range mm largest diameter: 22 - 31 mm
• Shape: Round
• Winding: Automatic
• Hands Setting: Crown
• Seconds Hand: Sweeping seconds (central seconds)
• Escapement: Lever (Swiss, English, Glashütte)
• Date, Day, Month...: Date
• Jewels: 25
• Setting Lever Screw/Pin Position: Left
• Balance Position: Bottom (120 - 240°)
• Shock Protection: Incabloc
• Beats per hour: 18,000
• Balance Type: Nickel
• Power Reserve: Approx. 40 hours
• Production Period: Unknown, probably around 1967
• Country: Germany
• Identification: Listed in the Engelkemper catalog from 1967.
• Contributor ©: Uhrforum.de member Badener (Andreas Kelz)