This is a New Old Stock Genuine Omega c.1152 Speedmaster Movement, original reference Valjoux 7750 and ETA.
These were fitted to many watches including 3513.80 Speedmaster Date watches, case reference 175.0083.
These are Omega supplied service movements, these were mainly fitted to Speedmaster watches.
(These are New Old Stock and may need a revision as they may of been sat on shelves for years and Omega always service replacement movements once installed).
These are fitted to may watches and a very popular movement.
Omega Speedmaster c.1152 Automatic Movement ETA / Valjoux 7750
Items can only be returned if either faulty, in the case of the item not being required then it must be returned exactly as received. For example if the item is new in a sealed packet and/or has protective covers in place then it must be returned the same otherwise item is no longer new and the value is greatly reduced, these items can only be returned/refunded by agreeing a lower value with Swiss Limited Editions before returning reflecting the new lower value of the item.