11 1/2”’ | Hand Wind | Swiss Lever | Sweeping Seconds | Date |

Remarks:

• Hour wheel and regulator are missing on the movement shown
• Special balance form developed by Wyler called Incaflex
• The ETA 2354 should not be confused with the ETA 2354A, which has only 5 1/4”’
• It is possible that the 2354 was built by ETA exclusively for Wyler. It could be based on the ETA 2373

• Listing ID: 4175
• Manufacturer / Brand: ETA / Wyler
• Caliber: Wyler WH225 = ETA 2354
• Size in French Lignes: 11 1/2'''
• Size range mm largest diameter: 22 - 31 mm
• Shape: Round
• Winding: Manual (Crown)
• Hands Setting: Crown
• Seconds Hand: Sweeping seconds (central seconds)
• Escapement: Lever (Swiss, English, Glashütte)
• Date, Day, Month...: Date
• Jewels: 17
• Setting Lever Screw/Pin Position: Left
• Balance Position: Right (0 - 120°)
• Shock Protection: None
• Beats per hour: 18,000
• Balance Type: Wyler Incaflex (see picture)
• Power Reserve: Unknown
• Production Period: Unknown, probably around 1960
• Identification: Wheel train bridge marked with WYLER WH225, plate under balance wheel marked with ETA 2354.
• External Link: https://uhrforum.de/threads/identifizierte-uhrwerke-die-weder-bei-ranfft-lorenz-noch-im-watch-wiki-zu-finden-sind.86322/page-14#post-2647219
• Country: Switzerland
• Contributor ©: Uhrforum.de member Badener (Andreas Kelz)