CASIO G-SHOCK - New G-STEEL Chronograph, GST-B100,Bluetooth equipped. The first watches in the G-STEEL series to feature analog chronographs. The series are all powered by the original high-efficiency Casio Tough Solar power
Amazon.com: CASIO G-SHOCK GST-W310D-1AJF Mens Japan Import : Clothing, Shoes & Jewelry
Casio watch band GST-B100TFB-1A | Horlogeband.com
GSTB400 Series Men's Luxury Watches Collection | G-SHOCK | CASIO