10 1/2”’ | Hand Wind | Swiss Lever | Small Seconds

• Listing ID: 4689
• Manufacturer / Brand: ETA
• Caliber: 900
• 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: Small seconds
• Escapement: Lever (Swiss, English, Glashütte)
• Date, Day, Month...: None
• Jewels: 17
• Setting Lever Screw/Pin Position: Left
• Balance Position: Bottom (120 - 240°)
• Shock Protection: None
• Beats per hour: 18,000
• Balance Type: Monoemtallic screw balance, or unknown (very specific)
• Power Reserve: Unknown
• Production Period: Unknown, probably around 1950
• Identification: Movement marked with ETA on the dial side, and with 900 under the balance wheel.
• External Link: https://uhrforum.de/threads/identifizierte-uhrwerke-die-weder-bei-ranfft-lorenz-noch-im-watch-wiki-zu-finden-sind.86322/page-7#post-1928043
• Country: Switzerland
• Contributor ©: Uhrforum.de member malikka and Badener (Andreas Kelz)