SBDX017 & SBDC031] my MM300 and my Poor Man's MM300. Modded a Sumo into a PMMM some 5 years ago and later replaced it with a real one when I could afford
Sumo vs MM300 | WatchUSeek Watch Forums
Sumo vs. MM300 | WatchUSeek Watch Forums
Please Compare: Seiko Sumo vs Baby MM | WatchUSeek Watch Forums
44mm MM Beast has the lines of a MM300, case width of a Sumo, with 22mm lug width. 😍 : r/SeikoMods
Seiko Prospex Divers Prospex MarineMaster "MM300" für 2 582 € kaufen von einem Trusted Seller auf Chrono24
Seiko Prospex Black Series Limited Edition SLA035J1 & SPB125J1 // Price
Foto-Reportage: Seiko Sumo SBDC027 vs. Seiko Marinemaster MM300
Mein Prospex-Lineup- Vergleich von SBDC001, SBDC007 und SBDX001 (Sumo, Shogun und MM)