Grade: High – Grade Swiss. Size: 38.5mm Diameter x 3.6mm Center Thickness. Not Sure, Broken Stem. Running: Yes, With Gentle Pressure Applied to the Gear Train. Possibly CH Meylan or Touchon. 4th Wheel Pinion is intact. 18 Jewels, 5 Adjustments. This movement has not been checked for duration or accuracy, even if it is described…