Please note some cases has 29 mm crystal so you need to trim the crystal to be able to use it
Plexiglass Crystal with Tension Ring for Seiko World time 6117-6400 6117-6409
Seiko 6106-8440
Inner Bezel for Seiko Rally 6119-6050 6119-6053
Vintage New old stock Seiko Crown with gasket
Sanded Sapphire Clear AR 320w34ga Seiko diver 6309-7040 6309-7049 6306-7000 Please note some cases hasReplacement 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,