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
Seiko Sumo SBDC 003 Blue - Box and papers (original owner) + sapphire +3 extra links | WatchCharts Marketplace
Yet another Seiko SBDC003 / SBDC 033 review – Small Toys for Grown Men