Doctor Who: Why Peter Capaldi's Twelfth Doctor Wears A Ring

The 12th Doctor’s ring had personal significance.

That 'Doctor Who' continuity reference explained: Who are the clockwork robots? - CNET

Doctor Who' Fans Convinced Amy Pond and 12th Doctor Are Returning

Making my 12th doctor costume: The Capaldi look - a Doctor in civvies!

Peter getting in trouble for not removing his wedding ring for filming

Peter Capaldi films Doctor Who scenes at Cardiff University

This fashionable ring has a Baltic Green Amber stone set in a small housing atop a unique dual-ring. The dual rings have an off-set split back,

Magnoli Clothiers Capaldi Ring

Doctor Who Key Ring /Bag Charm / Key Fob 12th Doctor,Peter Capaldi Key Ring /

Doctor Who Christmas Special 'Twice Upon a Time' as Buddhist Parable

Magnoli Clothiers Peter Capaldi's Twelfth Doctor Ring