BLACK CERAMIC FULL SUPER BLUE LUME BEZEL RING INSERT 38mm Seiko SKX007 Rolex sub

Seiko SKX007, 7002, 6309, 6105 + others. KEEP ON TICKING ! The actual colour is a pleasant blue turquoise, very bright, and eventually fades to a light pale blue colour. The pictures are taken in darkness and difficult to get the right colours.