10 1/2”’ | Hand Wind | Pin Lever | No Second |

Remarks:

• Rocking bar winding
• Click on the dial side

• Listing ID: 258
• Manufacturer / Brand: Oris
• Caliber: 158
• 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: Pin Lever
• Date, Day, Month...: None
• Jewels: 2
• Setting Lever Screw/Pin Position: Left
• Balance Position: Bottom (120 - 240°)
• Shock Protection: Oris-specifix
• Beats per hour: 18,000
• Balance Type: Nickel
• Power Reserve: Unknown
• Production Period: Unknown
• Identification: Train wheel bridge marked with CAL. 158. Listed in Flume K1 in the 1947 part.
• External Link: https://uhrforum.de/threads/identifizierte-uhrwerke-die-weder-bei-ranfft-lorenz-noch-im-watch-wiki-zu-finden-sind.86322/page-60#post-8497080
• Country: Switzerland
• Contributor ©: Uhrforum.de member Badener (Andreas Kelz)