Seiko Sumo Scuba Deep Blue SBDC113 Japan Limited,Seiko Prospex SBDC079 Ginza Limited 300 - Shopping In Japan Net,WTS] Seiko Prospex Sumo SBDC113 - Japan Collection 2020 - 45mm - Limited Edition - Excellent Condition : r/Watchexchange,Seiko's Answer to the Rolex James Cameron? The Sumo Limited Edition SBDC113,SBDC113 Seiko Prospex