Maanshan City #8 Clock and Watch Factory / 马鞍山市钟表厂
Sun Moon 日月 world timer watch
The center disc is the hour hand, with the red star indicating Beijing and the thick red arrow being London/GMT.
The time in the top photo is 8:26:24:x Beijing and 12:26:24:x London. The time in this next dial photo is 8:12:39:x
The two outermost circles contain the 24 times zones.
(Yes, I travel with this watch.)
The strap is vintage Chinese, too...
Curator: Alberta Museum of Chinese Horology in Peace River; Member: China Horologe Association; Chief Expert: China Watch Overseas Working Committee (CWOWC); Sino-Canadian Horological Cultural Affairs...