12 1/2”’ | Hand Wind | Swiss Lever | Small Seconds | Alarm |

Remarks:

• Common barrel for alarm and wheel train
• Alarm: hammer striking on gong

• Listing ID: 4619
• Manufacturer / Brand: Tavannes / Cyma
• Caliber: R.464
• Size in French Lignes: 12 1/2'''
• Size range mm largest diameter: 22 - 31 mm
• Shape: Round
• Winding: Manual (Crown)
• Hands Setting: Crown
• Seconds Hand: Small seconds
• Escapement: Lever (Swiss, English, Glashütte)
• Date, Day, Month...: None
• Other Functions: Alarm
• Jewels: 17
• Setting Lever Screw/Pin Position: Left
• Balance Position: Bottom (120 - 240°)
• Shock Protection: Cymaflex I
• Beats per hour: 18,000
• Balance Type: Screw balance
• Power Reserve: Unknown
• Production Period: Unknown, probably around 1955
• Country: Switzerland
• Identification: Marked on the wheel train bridge with CYMA WATCH Co. and R.464. Listed in the Flume K3 catalog.
• Contributor ©: Uhrforum.de member malikka
• External Link: https://uhrforum.de/threads/identifizierte-uhrwerke-die-weder-bei-ranfft-lorenz-noch-im-watch-wiki-zu-finden-sind.86322/page-8#post-1991254