Sanded Sapphire Clear AR 320w34ga Seiko diver 7548-700F 7548-700H 7548-7010 This is a mineral glass

This is a mineral  glass crystal

6119-7170 and 6119-7173

Mineral Glass for Seiko Monster First Generation

Please note that this is the short GMT hand that is straight which does not have a step

It is Not plastic  Diameter 330MM

Sanded Sapphire Clear AR 320w34ga Seiko diver 7548-700F 7548-700H 7548-7010 This is a mineral glassReplacement 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,