Replacement New Swiss crystal for Seiko case models listed below. This is a mineral glass crystal. It is an exact fit for your Seiko

6309-7290, 6309-729A, 6309-729B

The diameter is 320 mm.

Watch NOT included. 

Please do not hesitate to contact us if you have any further question. 

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We stand by our products 100% and if by any chance you are not satisfied with your purchase, 

We will gladly accept returns with no questions asked.