This is the early type Black Bezel which fits the Omega Seamaster Vintage SHOM 200M 166.0177 (& 166.0091)
082st0019
N.B. 082st1660091 is reference under new sticker, so it's old stock year 2000 and it's been recoded by Swatch Group to latest reference.
These are NOS Omega supplied service bezels which fit the above model Seamaster Vintage SHOM 200M.
082st0019 Omega Seamaster Vintage SHOM 200M Black Bezel (early type) 166.0177
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.