Seiko 8X53-0AD0 Watch Guide The Seiko 8X53-0AD0 is a watch model based on the 8X53 movement.Other models with the same movement8X53-0AA08X53-0AB08X53-0AC08X53-0AF08X53-0AJ08X53-0AK08X53-0AM08X53-0AN08X53-0AP08X53-0AS08X53-0AW08X53-0BB08X53-0BD0