A US Navy Diving Instructor became the first person to free dive to depth of 200 ft

for the rose gold-tone version

protected by a mineral crystal with anti-reflective coating

presenting a bold black dial within a round stainless steel case

Casio G-Shock Men's Transparent Watch Case Colour_Yellow Gold A US Navy Diving InstructorIntroducing the DW B5600 line of G SHOCK watches Featuring a new toughness driven design and Smartphone Link functionality. Bold colour schemes take you from stylish urban streets to any city scene. More than just fashion, these timepieces also deliver full functionality. Sync with your smartphone via Bluetooth and tap into the dedicated app to access the functions you need. The DW B5600 offers the same translucent gradated colour schemes in the