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
![Battles of the Marinemasters, Chapter 5 - SEIKO SBDX023 / SLA021 vs SBDX017 - 2 vs 3 Generation - YouTube Battles of the Marinemasters, Chapter 5 - SEIKO SBDX023 / SLA021 vs SBDX017 - 2 vs 3 Generation - YouTube](https://i.ytimg.com/vi/H0FQOXZ-swY/maxresdefault.jpg)
Battles of the Marinemasters, Chapter 5 - SEIKO SBDX023 / SLA021 vs SBDX017 - 2 vs 3 Generation - YouTube
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