5 1/2 x 6 3/4”’ | Hand Wind | Swiss Lever | No Seconds |

Remarks:

• Appears to be largely identical to the AS 1677, but has 21 instead of 17 jewels: jewel settikng of the minute wheel on the dial side + 3 additional cap jewels

• Listing ID: 4245
• Manufacturer / Brand: AS
• Caliber: 1777
• Size in French Lignes: 5 1/2 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: 21
• Setting Lever Screw/Pin Position: Right
• Balance Position: Right (0 - 120°)
• Shock Protection: Incabloc
• Beats per hour: 21,600
• Balance Type: Nickel
• Power Reserve: Unknown
• Production Period: Unknown, probably around 1970
• Identification: Marked AS 1777 under the balance. Listed in the Flume K3 catalog, but without illustration.
• External Link: https://uhrforum.de/threads/identifizierte-uhrwerke-die-weder-bei-ranfft-lorenz-noch-im-watch-wiki-zu-finden-sind.86322/page-13#post-2487778
• Country: Switzerland
• Contributor ©: Uhrforum.de member Badener (Andreas Kelz)