11 1/2”’ | Hand Wind | Pin Lever | Small Seconds | Date

Remarks:

• Crown wheel, ratched wheel and click on the underside of the barrel bridge
• Pillar construction
• Movement family:
  • 234: Pin lever 11 1/2”’
  • 235: Pin lever 10 1/2”’
  • 236: Swiss lever 10 1/2”’
• There is also an ORA 234 without date
• The CLD is not part of the caliber designation, it is only used to distinguish the variant with date

• Listing ID: 2105
• Manufacturer / Brand: ORA
• Caliber: 234 (CLD)
• 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: Small seconds
• Escapement: Pin Lever
• Date, Day, Month...: Date
• Jewels: 17
• Setting Lever Screw/Pin Position: Left
• Balance Position: Bottom (120 - 240°)
• Shock Protection: None
• Beats per hour: 18,000
• Balance Type: Nickel
• Power Reserve: Unknown
• Production Period: Unknown, probably around 1960 (see external link 2 below)
• Country: Italy
• Identification: Marked Co 234 next to the escape wheel (small o in C). Listed in the Flume K2 catalog (variant without date).
• Contributor ©: Uhrforum.de member Badener (Andreas Kelz)
• External Link: https://uhrforum.de/threads/identifizierte-uhrwerke-die-weder-bei-ranfft-lorenz-noch-im-watch-wiki-zu-finden-sind.86322/page-42#post-5464261
• External Link 2: https://watch-movements.eu/blog/en/2020/06/01/ora-oc-lings-mysterious-watch-brands/