Seth Thomas (4 Dial) 19' (579cm)(PSTCLK-SETHTHOMAS)4 dial post clock. Cast aluminum post, saddle and head. Aluminum bezels. Automatically controlled from the base with 99B-MI automatic tower clock control with GPS satellite synchronization. Translucent acrylic dials with fluorescent illumination controlled by a photoelectric cell. Black dial markings and hands. Black finish with gold highlighting. Options ‚¬â€œheaders with lettering ‚¬â€œdifferent dial lettering and hands ‚¬â€œlaminated glass dials - black on white dial