OMEGA 9906

The Omega caliber 9906 is a manual winding movement with 44 jewels and a frequency of 28800 vibrations per hour. It features a co-axial escapement, column wheel construction, silicon hairspring, small seconds, and hacking seconds, with a power reserve of 60 hours. The movement includes date, chronograph, 12 hour counter, and 30 minute counter complications, and is used in the 332-40.5 model.