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

Remarks:

• Sweeping Seconds without hacking
• Quick date setting by repeatedly changing 20 – 24 o’clock
• AS movement family:
  • AS 1900: Hand winding
  • AS 1901: Hand winding, date
  • AS 1902: Automatic
  • AS 1903: Automatic, date
  • AS 1904: Hand winding, date, day
  • AS 1906: Automatic, date, day
  • AS 1911: Hand winding, date, quick date setting by pressing the winding stem
  • AS 1913: Automatic, date, quick date setting by pressing the winding stem
  • AS 1914: Hand winding, date, day, quick date setting by pressing the winding stem
  • AS 1916: Automatic, date, day, quick date setting by pressing the winding stem

• Listing ID: 5760
• Manufacturer / Brand: AS / Mathey Tissot
• Caliber: Mathey-Tissot 717 = AS 1903
• 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: Incabloc
• Beats per hour: 21,600
• Balance Type: Glucydur
• Power Reserve: Approx. 44 hours
• Production Period: Unknown, probably around 1970
• Country: Switzerland
• Identification: As AS 1903 listed in the Flume K3 catalog from 1972. Rotor marked with Mathey-Tissot 717. Original data sheet from 1970 available.
• Contributor ©: Uhrforum.de member Badener (Andreas Kelz)
• External Link: https://uhrforum.de/threads/identifizierte-uhrwerke-die-weder-bei-ranfft-lorenz-noch-im-watch-wiki-zu-finden-sind.86322/page-66#post-9301947