10 1/2”’ | Hand Wind | Swiss Lever | Small Seconds | Date |

Remarks:

• Movement family:
  • AS 1690: 10 1/2”’, no date
  • AS 1691: 10 1/2”’, date
  • AS 1692: 11 1/2”’, no date
  • AS 1693: 11 1/2”’, date

• Listing ID: 5802
• Manufacturer / Brand: AS
• Caliber: 1691
• Size in French Lignes: 10 1/2'''
• Size range mm largest diameter: 22 - 31 mm
• Shape: Round
• Winding: Manual (Crown)
• Hands Setting: Crown
• Seconds Hand: Small seconds
• Escapement: Lever (Swiss, English, Glashütte)
• Date, Day, Month...: Date
• Jewels: 17, 21
• Setting Lever Screw/Pin Position: Left
• Balance Position: Bottom (120 - 240°)
• Shock Protection: Trishock?
• Beats per hour: 18,000
• Balance Type: Nickel
• Power Reserve: Unknown
• Production Period: Unknown, probably around 1969
• Identification: Moved marked with AS 1691/93 under the balance wheel. Listed in the Engelkemper catalog from 1969.
• External Link: https://uhrforum.de/threads/identifizierte-uhrwerke-die-weder-bei-ranfft-lorenz-noch-im-watch-wiki-zu-finden-sind.86322/page-67#post-9435957
• Country: Switzerland
• Contributor ©: Uhrforum.de member Badener (Andreas Kelz)