clock with gears at the center shows time with numbers and hands design in a mechanical setup during the afternoon. 3d animation - 時鐘結構 個影片檔及 b 捲影像00:11
close-up of a watch mechanism and jeweller using tweezers, promotional film, usa, 1949. promoting hamilton watches, showing diagrams and animations... - 時鐘結構 個影片檔及 b 捲影像00:21
slo mo ws studio shot of alarm clock mechanism exploding against black background - 時鐘結構 個影片檔及 b 捲影像00:19爆炸
