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SRP Turtle Sapphire Crystals for Seiko Mod Builds
Every crystal here is sapphire with a blue anti-reflective coating, made for the Seiko SRP Turtle Re-issue (SRP77*). Sapphire is extremely hard, so it resists scratching. Each fits the Turtle's original aluminum insert, so you can change the crystal without changing the insert.
Double Dome or Flat
- Double dome: 32mm across, 5.6mm high. A double dome crystal is domed on both the outside and the inside, which reduces the distortion a single dome gives at the edge of the dial.
- Flat: a flat sapphire crystal for the same watch.
Inserts & Other Turtle Parts
Each is recommended with the SRP Turtle ceramic, stainless and aluminum bezel inserts. Finish the build with an SRP Turtle rotating bezel and chapter ring.
Frequently Asked Questions
Will these fit my original insert?
Yes. Every crystal here fits the Turtle Re-issue's original aluminum insert.
Which Turtle models do they fit?
Every crystal here is made for the Seiko SRP Turtle Re-issue, the SRP77* references.
What is a double dome crystal?
A crystal domed on both the outside and the inside. The inner dome reduces the distortion a single dome gives at the edge of the dial.
Is sapphire scratch-resistant?
Yes. Sapphire is extremely hard, so it resists scratching.
Browse the SRP Turtle sapphire crystals above to find the one for your build.