Battles of the Marinemasters, Chapter 3 - quick shot - Seiko SBDX001 vs SBDX017 vs Merkur vs SBDX023 - YouTube
MM300 SBDX001 vs SBDX017 - The Dive Watch Connection
Seiko Marinemaster 300 - Original vs New! - YouTube
New MM300 (SLA021/SBDX023) - The Dive Watch Connection
New MM300 (SLA021/SBDX023) - The Dive Watch Connection
Seiko MM300 SBDX001 Curved End Hexad Watch Bands | Strapcode
SeiyaJapan.com - Seiko Announced the successor of SBDX017 (MM300). The model was SBDX023. 320000 Yen (about 3000 USD) Nov/2018 released. ** The Crystal was changed to sapphire from hardlex. ** The strap
Owner Review: Seiko Marine Master 300 SBDX017 - Too pretty to be a tool watch