LONDON - The Omega Constellation watch has been flashed in campaigns, movies and at the Met Gala by stars like George Clooney and Nicole Kidman, turning it into a symbol of luxury and glamour.

Value of a watch's gold content can outstrip its resale price

LONDON - The Omega Constellation watch has been flashed in campaigns, movies and at the Met Gala by stars like George Clooney and Nicole Kidman, turning it into a symbol of…