High quality mineral glass fits the following Seiko cases numbers:

5126-8090

6105-8000, 6105-8009, 6105-8110,  6105-8119

6106-8120, 6106-8510, 6106-8227, 6106-8229, 6106-8237, 6106-8239, 6106-8410, 6106-8440, 6106-8449, 6106-8450, 6106-8510

6119-6020, 6119-6023, 6119-7170, 6119-7173, 6119-7180, 6119-8120, 6119-8121, 6119-8123, 6119-8130, 6119-8140, 6119-8220, 6119-8300, 6119-8310, 6119-8400, 6119-8540

7548-7000, 7548-7009, 7548-700A, 7548-700B, 7548-700C, 7548-700F, 7548-700H, 7548-7010, 7548-701A

Dome top as the original
Height 3.8mm

If your case # is not listed above, this is NOT the right crystal for your watch. Please e-mail us and we will let you know the correct part for your watch