silicone Rotation watch 1.100% silicone 3ATM waterproof 2.CE&ROHS ... LOGO Each product has a number (number: a combination of letters and numbers, such asQD0018, GC0001. Usually the same ... range of products, the letter is the samenumber by number in ... with different design for the g watches, include the watch of 6900, 7900, 9200, ga-100, ga-110, g-001, ...