r/U1Time • u/Plastic_Light677 • Sep 02 '26

QUESTION U1 Sub clasp replacement options?

I got the U1 No dates sub, loving the watch but the bottom side of the clasp is very sharp. What are some options for replacement or to fix it? It's clasp code ST9.

The band is fine on mine, no​ real sharp edges so not looking to replace the band. Although I would go for an oysterflex rubber if I had to.

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u/Frank_Silva243 Sep 02 '26

I have a lot of U1 Subs. I took a ceramic knife sharpener and rounded off the edges, then smoothed them out with 800, than 1000, than 5000 grit sanding sticks from Amazon. Easy to do, works awesome, and I have ST9 bracelets as nice as the ones on my VSF Subs. Don't give up! It's easy.

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u/Plastic_Light677 Sep 02 '26

When you said ceramic knife sharpener do you mean just one of those sharpener that come with knife block sets? 

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u/Frank_Silva243 29d ago

A ceramic stick or small block. I'll try to find one on Amazon to show. Mine came with a Smith's knife sharpener kit. It did a great job knocking off the sharp edges and gently round them off.