Model name: Deep Blue / Model number NG710GSSS (2011 or so...) 200m WR.
OS21 quartz, a very serviceable daily wearer, and lighter than it looks.
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...
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Interesting watch. Good reminder watch... always watch your six. I like it.