Seiko VX50-X187 Watch Guide The Seiko VX50-X187 is a watch model based on the VX50 movement.Other models with the same movementVX50-0AA0VX50-7A10VX50-X077VX50-X181VX50-X183VX50-X184VX50-X186VX50-X191VX50-X192VX50-X201VX50-X202VX50-X209VX50-X218VX50-X219VX50-X220VX50-X221VX50-X226VX50-X227VX50-X228VX50-X239VX50-X240VX50-X242VX50-X244VX50-X245VX50-X246VX50-X247VX50-X248VX50-X250VX50-X254VX50-X255VX50-X256VX50-X257VX50-X258VX50-X259VX50-X261VX50-X262VX50-X265VX50-X269VX50-X274VX50-X281VX50-X289