Replacement New Sanded Sapphire Glass crystal for Seiko case models listed below. 

This is a SANDED SAPPHIRE CRYSTAL WITH CLEAR AR COATING.

 We also have with Blue AR coating non sanded.
 Please see our other listing for Sapphire with Blue coating eBay ,Item ID: 223490478484

It is an exact fit for your Seiko 

 6309: 6309-7040, 6309-7049, 6309-7290, 6309-729A, 6309-729B

6306:
6306-7000, 6306-7001,

7548:
7548-7000,  7548-7009, 7548-700A, 7548-700B, 7548-700C, 7548-700F, 7548-700H,

The diameter is 320 mm.

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

 

Please look at our other listings, If you want any kind of our items in a larger quantity, feel free to contact us.