KVW’s Overdue Review of the Seiko MM300 SBDX001 Marinemaster

A look at a near-mint OG SBDX001 Marinemaster MM300. Bonus content: how to change the bezel gasket on an MM300!

There’s an MM300 in my watch box again! I've owned two of these, and I didn't think I'd own another. Well, I was wrong. About a great many things.

Bonus! "How to change a rotating ring gasket on an MM300!" segment in the middle.

PSA: This video contains sub-optimal levels of editing, usually none. We have zero script, no planning, basic editing, etc. Same for the sound - if you can hear anything count that as a win. Even if that "anything" is tuneless humming. I did pump up the volume though. YMMV if you choose to blow part of your life on this. No Refunds. Enjoy!

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No ammonites were harmed in the making of this video.