10 1/2”’ | Hand Wind | Cylinder | No Seconds |

Remarks:

• The setting lever spring on the movement shown is defective

• Listing ID: 4895
• Manufacturer / Brand: AM
• Caliber: 440
• 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: None
• Escapement: Cylinder
• Date, Day, Month...: None
• Jewels: 10
• Setting Lever Screw/Pin Position: Right
• Balance Position: Left (240 - 360°)
• Shock Protection: None
• Beats per hour: 18,000
• Balance Type: Brass
• Power Reserve: Unknown
• Production Period: Unknown, probably around 1936
• Identification: AM logo and Ebauches SA trust mark (used from 1936) on the dial side. Listed in the Classification Horlogère from 1936.
• External Link: https://uhrforum.de/threads/identifizierte-uhrwerke-die-weder-bei-ranfft-lorenz-noch-im-watch-wiki-zu-finden-sind.86322/page-4#post-1403257
• Country: Switzerland
• Contributor ©: Uhrforum.de member Badener (Andreas Kelz)