Winding: Not Good, Does Not Wind Smoothly. Running: No, Does Not Tick. Balance: Good, Swings Freely. Comments: 18.9mm x 7mm x 5.1mm Center Thickness. This movement has not been checked for duration or accuracy, even if it is described as “running”. I comply with U. The item “Blancpain Wristwatch Movement Backwind Mechanical Spare Parts, Repair”…