9 3/4”’ | Hand Wind | Cylinder | No Seconds

• Listing ID: 19249
• Manufacturer / Brand: AM
• Caliber: 305
• Size in French Lignes: 9 3/4'''
• Size range mm largest diameter: 0 - 22 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: Bottom (120 - 240°)
• Shock Protection: None
• Beats per hour: 18,000
• Balance Type: Brass
• Power Reserve: Unknown
• Production Period: Unknown, probably around 1928+
• Country: Switzerland
• Identification: AM logo, 305 and Ebauches SA trust mark (TR, used from 1928 onwards) on the dial side. Listed in the Flume K1 catalog in the part from 1947.
• Contributor ©: Uhrforum.de member Badener (Andreas Kelz)