Made in Germany by Sternkreuz. This is an excellent low cost alternative to the original Seiko crystal. Edge of glass is angled with polished bevel. Must be fitted with care. See picture for example of how this crystal looks fitted to a Seiko 7A38.
Replacement Domed Mineral crystal Fits Panerai 44mm Luminor Marina #677
Watch Crystal Fits Seiko 6206-8080 6619-8290 6619-8300
Acrylic Crystal Fits Omega Constellation 168.047 168.044 Part Number PN2105
Mineral crystal Fits Citizen 8110 67-9356 4-901223 Bullhead Oktagon #27
Replacement Mineral crystal Fits Citizen Red Arrows CA0080-03E Watch
Replacement Mineral crystal Fits Seiko 7T92-0BF0 7T92-0LR0 Watch #23