"Hologram watch"@en . . . "Hologram watch"@en . "[Source] Hologram watches were devices used among the Sith to communicate with the masters of their sect. Palpatine kept one in his collection of Sith objects."@en . . "Communication"@en . "[Source] Hologram watches were devices used among the Sith to communicate with the masters of their sect. Palpatine kept one in his collection of Sith objects."@en . . . . "Hologrammic device"@en . .