This is a Genuine Omega Rubber O-ring to fit the Speedmaster Manual Wind Moon Watch case to seal the caseback, fits case 145.022, 145.012, 3570.50 model etc including current model.
These are Omega supplied service parts for the c.861 c.1861 manual wind moon watch case from 1960, they will fit most variants of this movement c.1863 c.861 c.863.
These are fitted to the 145.022 42mm SPEEDMASTER Moon Watch case but will fit all other models all the way back to the 1960's.
Omega Speedmaster O-ring for caseback seal reference 145.0022 and similar
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.