6 3/4 x 8”’ | Hand Wind | Swiss Lever | No Seconds |

Remarks:

• Movement family:
  • HB 80: 18,000 bph
  • HB 81: 18,000 bph, difference not known to HB 80, 82
  • HB 82: 18,000 bph, difference not known to HB 80, 81
  • HB 90: 21,600 bph (optional: digital display)

• Listing ID: 7593
• Manufacturer / Brand: Hermann Becker
• Caliber: HB 90
• Size in French Lignes: 6 3/4 x 8'''
• Size range mm largest diameter: 0 - 22 mm
• Shape: Form
• Winding: Manual (Crown)
• Hands Setting: Crown
• Seconds Hand: None
• Escapement: Lever (Swiss, English, Glashütte)
• Date, Day, Month...: None
• Jewels: 17
• Setting Lever Screw/Pin Position: Right
• Balance Position: Right (0 - 120°)
• Shock Protection: Rufa Anti-Choc
• Beats per hour: 21,600
• Balance Type: Nickel
• Power Reserve: Approx. 40 hours
• Production Period: Unknown, probably around 1975
• Country: Germany
• Identification: Movement marked with HB 90 under the balance wheel.
• Contributor ©: Uhrforum.de member Badener (Andreas Kelz)