SEIKO PROSPEX DIVER SCUBA SEA 'SUMO' SOLAR GMT SBPK001 MADE IN JAPAN J – japan-select
Baselworld 2019 Announcement - New Sumo & Save the Ocean Great White Shark models — Plus9Time
Finished with my Sumo. Ct AR domed crystal, dlw insert, aftermarket dial, stock sumo hands and case. Shout out to @haveblue1 for the dial hook-up! : r/SeikoMods
Seiko Seamaster MOD White Dial – 2023 – wristmodding