a medallion man

a medallion man

  (British humorous)
a man, usually an older man, who dresses in a way that he thinks women find attractive, often wearing an open shirt in order to show his chest and a lot of gold jewellery
Usage notes: A medallion is a circle of metal like a large coin that is worn on a chain around the neck.
And there he was, a real-live 70's medallion man, just stepped out of a time machine.
See also: man, medallion