INEX Watches.CA on Twitter: "Seiko MM300 SBDX017 Discontinued – Get It While You Still Can Earlier this year, Seiko let us know that the Marinemaster 300 SBDX017 will be discontinued. And it
Seiko] SBDX017, the outgoing Marinemaster 300m is my favorite watch of all time : r/Watches
A Comparative Review: Tudor Pelagos and Seiko MarineMaster 300 SBDX017 | WatchUSeek Watch Forums