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

Remarks:

• Quick date setting by repeatedly changing 21:15 – 24 o’clock
• Movement family:
  • MST 470: no date
  • MST 471: date

• Listing ID: 13156
• Manufacturer / Brand: MST
• Caliber: 471
• 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: 44
• Setting Lever Screw/Pin Position: Right
• Balance Position: Left (240 - 360°)
• Shock Protection: Incabloc
• Beats per hour: 18,000
• Balance Type: Glucydur
• Power Reserve: Approx. 42 hours
• Production Period: 1965 - 1973
• Country: Switzerland
• Identification: Movement marked with MST 471. Original datasheet available (undated).
• Contributor ©: Uhrforum.de member buchenhain
• External Link: https://uhrforum.de/threads/identifizierte-uhrwerke-die-weder-bei-ranfft-lorenz-noch-im-watch-wiki-zu-finden-sind.86322/page-71#post-9971483