Frequently Asked Questions

The Watch Glass is made of sapphire.

The Watch Glass diameter ranges from Φ6mm to Φ50mm.

The surface quality of the Watch Glass is S/D 80/50 20/10 scratch-dig (High Precision).

The tolerance range of the Watch Glass is +-0.02÷+-0.1 R 300÷40 Antiblic.

The applications of the Watch Glass are as a window for a watch case and as a laser optic.

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