Omega Co-Axial Caliber 9301

A manual Omega replica watch, also referred to as a hand-wound mechanical Omega Replica Watches for Sale, slowly unwinds the mainspring in an even motion releasing energy that powers the timepiece over a period of time.

The Cheap Fake Swiss Omega Watches Co-Axial Caliber 9301 pictured above is an example of an automatic movement.

An automatic mechanical, usually just called an automatic, requires no winding because of the rotor, which winds the mainspring every time you move.