5 3/4 x 6 3/4”’ | Hand Wind | Swiss Lever | No Seconds |

Remarks:

• Movement family:
  • AS 1977
  • AS 1977-2: Different parts compared to 1977: barrel bridge, barrel, mainspring, balance with hairspring
  • AS 1977-4: Different parts compared to 1977-2: balance cock, regulator
  • INT 1980 = AS 1977-5: Different parts compared to 1977-4: click, setting lever pin, higher barrel, mainspring, several other modifications
  • AS 1978: Like AS 1977, but with rounded edges on the left and right instead of  straight edges
  • AS 1978-2: Like AS 1977-2, but with rounded edges on the left and right instead of  straight edges

• Listing ID: 6020
• Manufacturer / Brand: AS / Dugena
• Caliber: 1977
• Size in French Lignes: 5 3/4 x 6 3/4'''
• Size range mm largest diameter: 0 - 22 mm
• Shape: Form
• Winding: Manual (Crown)
• Hands Setting: Crown
• Seconds Hand: None
• Escapement: Lever (Swiss, English, Glashütte)
• Date, Day, Month...: None
• Jewels: 17
• Setting Lever Screw/Pin Position: Right
• Balance Position: Right (0 - 120°)
• Shock Protection: Incabloc
• Beats per hour: 21,600
• Balance Type: Glucydur
• Power Reserve: Unknown
• Production Period: Unknown, probably around 1970
• Country: Switzerland
• Identification: Marked with AS 1977. 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-68#post-9626577