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

Remarks:

• Construction identical to HPP 461, but marked with HJP 558 under the balance wheel.
  The meaning of the letter J is not know. Maybe it’s related to the first name Jürgen of the son of Robert Henzi, one of the company founders.
• Date quick-setting by repeatedly changing 20 – 24 o’clock

• Listing ID: 13079
• Manufacturer / Brand: HPP / HJP
• Caliber: 558
• 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: 17
• Setting Lever Screw/Pin Position: Left
• Balance Position: Bottom (120 - 240°)
• Shock Protection: HPP Super-Shockproof
• Beats per hour: 21,600
• Balance Type: Nickel
• Power Reserve: Unknown
• Production Period: Unknown, probably around 1970
• Country: Germany
• Identification: Movement marked with HJP 558 under the balance wheel. See remarks above. Movement not listed in movement catalogs know to me.
• Contributor ©: Uhrforum.de member Badener (Andreas Kelz)