Seiko Prospex Scuba SBDC003 Sumo and SCH057 Sawtooth - The Time Bum
Sold : Seiko 1st gen blue SUMO(Blumo) sbdc003 $280 | The Watch Site
FS: Seiko Scuba Sumo SBDC003 – WatchPatrol
FS : Seiko 1st gen blue SUMO(Blumo) sbdc003 $250 | The Watch Site
Seiko Prospex Scuba SBDC003 Sumo and SCH057 Sawtooth - The Time Bum
WTS] The Ultimate Blue-mo! - A Seiko "Sumo" ref. SBDC003 with Sapphire, Ceramic, Automatic 6R Movement, OEM Bracelet, and Full Box and Papers, Just $399 Shipped! : r/Watchexchange