10 1/2”’ | Hand Wind | Swiss Lever | No Seconds |

• Listing ID: 1262
• Manufacturer / Brand: Eterna
• Caliber: Model No. 129
• 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: Lever (Swiss, English, Glashütte)
• Date, Day, Month...: None
• Jewels: 15
• Setting Lever Screw/Pin Position: Left
• Balance Position: Bottom (120 - 240°)
• Shock Protection: None
• Beats per hour: 18,000
• Balance Type: Monometallic screw balance
• Power Reserve: Unknown
• Production Period: Around 1916
• Identification: Registered in the Swiss Official Gazette of Commerce on 17.07.1916 as model No. 129. Model No. 129 is not an official caliber designation, but was used to register the design. Dial side stamped with SFG (Eterna SA / Schild Frères).
• External Link: https://uhrforum.de/threads/identifizierte-uhrwerke-die-weder-bei-ranfft-lorenz-noch-im-watch-wiki-zu-finden-sind.86322/page-47#post-6401542
• Country: Switzerland
• Contributor ©: Uhrforum.de member Badener (Andreas Kelz)