9 3/4”’ | Hand Wind | Swiss Lever | No Seconds |

Remarks:

• There is also a version 260P with crown wheel and ratchet wheel underneath the barrel bridge (see picture from the Classification)

 

• Listing ID: 3806
• Manufacturer / Brand: AM
• Caliber: 260
• Size: 9 3/4'''
• Shape: Round
• Winding: Manual (Crown)
• Hand Setting: Crown
• Seconds Hand: None
• Escapement: Lever (Swiss, English, Glashütte)
• Date & Day: None
• Jewels: 15
• Setting Lever Screw/Pin Position: Right
• Balance Position: Bottom (120 - 240°)
• Shock Protection: None
• Beats per hour: 18,000
• Balance Type: Bimetallic screw balance
• Power Reserve: Unknown
• Production Period: Unknown, probably around 1936
• Identification: Dial side marked AM 260. Listed in the Classification Horlogère from 1936.
• External Link 2: https://uhrforum.de/threads/identifizierte-uhrwerke-die-weder-bei-ranfft-lorenz-noch-im-watch-wiki-zu-finden-sind.86322/page-19#post-2950153
• Country: Switzerland
• Contributor ©: Uhrforum.de member Badener (Andreas Kelz)