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

Remarks:

• Movement family:
  • Parrenin Z170: no date
  • Parrenin Z171: date (quick-setting by repeatedly changing 20:40 – 24 o’clock)
  • Parrenin Z172: date (instantaneous date change, quick-setting by repeatedly changing 20:40 – 24 o’clock)
  • Parrenin Z173: date, day (instantaneous date and day change, quick-setting by repeatedly changing 20:40 – 24 o’clock)
  • Parrenin Z175A: digital display with jumping hour, date (quick-setting by repeatedly changing 20:40 – 24 o’clock)

• Listing ID: 20770
• Manufacturer / Brand: Parrenin
• Caliber: Z171
• 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...: Date
• Jewels: 17
• Setting Lever Screw/Pin Position: Right
• Balance Position: Left (240 - 360°)
• Shock Protection: Antichoc S65
• Beats per hour: 21,600
• Balance Type: Nickel
• Power Reserve: Approx. 40 hours
• Production Period: Unknown, probably around 1972
• Country: France
• Identification: Movement marked with HP Z171 under the balance wheel. Original datasheet available. Listed in the Flume K3 catalog from 1972.
• Contributor ©: Anonymous