G-Shock (IP) vs. Spyderco (DLC) — Physics just humbled me lol

Yo Reddit,

Had a weird "science experiment" happen in my bathroom today and the results actually blew my mind.

So, my black GMW-B5000 took a nasty 3-foot header straight onto the ceramic tile floor. I was 100% sure the bezel would be cooked, but after a quick wipe… it’s literally mint. Not a single scuff on the Ion Plating.

Then I had a "hold my beer" moment. I took my Spyderco PM2 Salt (DLC coating) and just lightly tapped it against the same tile. Result? A tiny bit of the DLC actually chipped off, and I can see the silver steel underneath.

I did some digging into why a "weak" tap beat a 3-foot drop, and here’s my theory:

• The G-Shock Buffer: G-Shocks have a resin frame under the steel bezel that acts like a shock absorber. When it hit the floor, that resin "ate" the energy so the coating didn't have to take the full brunt.

• The Eggshell Effect: DLC is insanely hard but brittle. Since ceramic is harder than the steel under the coating, the steel "gives" slightly on impact. Because the DLC can't flex, it just cracks and flakes off like an eggshell.

• Pressure vs. Area: The Casio hit flat (spread out the force), while the PM2's edge/corner took all that force in one tiny, concentrated spot.

Anyway, take this with a grain of salt—I’m no materials scientist. I might be totally off or missing something here. If there are any physics gurus or coating experts in the sub who know more than me, please feel free to correct me or chime in! Always down to learn why my gear behaves the way it does.

Anyone else learned this the hard way?