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SNZF17 Sea Urchin Ceramic Bezel Inserts for Seiko Mod Builds
The SNZF17 is a Seiko 5 Sports diver, known as the Sea Urchin, with a bezel that turns one way. These ceramic inserts are made for the SNZF17 series and cut on the slope, the profile its bezel takes. The bezel lifts away without the case being opened, so the whole colour change happens on the outside of the watch.
Why Ceramic
Ceramic is far harder than the steel bezel it sits in, so it resists the everyday scratches a bezel takes. Its colour is part of the material rather than a coating on top, so it doesn't fade in sunlight.
The Sub Dive Scale
Green with white markings: the 60-minute Sub dive track, with the first fifteen minutes marked singly and a baton every five after that. Turn the bezel until the triangle sits over the minute hand, and the scale reads the minutes that have passed.
Fitting & Pairing
Each insert comes with one piece of double-sided adhesive. We recommend a double dome sapphire crystal for the SNZF17 series, fitted last, and an SNZF17 chapter ring to finish the face.
Frequently Asked Questions
Which watch do these inserts fit?
The Seiko SNZF17 series, the Seiko 5 Sports diver known as the Sea Urchin. Each insert is cut on the slope to fit its bezel.
Are ceramic bezel inserts scratch-resistant?
Yes. Ceramic is far harder than the steel bezel around it, so it resists everyday scratches, and its colour is part of the material, so it doesn't fade in sunlight.
What comes in the package?
The ceramic bezel insert and one piece of double-sided adhesive.
Browse the SNZF17 ceramic bezel inserts above to find the one for your build.