Casio G-Shock Master Of G Gravitymaster Solar Carbon Resin Watch GR-B300-1A Grand Seiko Crystal: Sapphire crystal

Crystal: Sapphire crystal

Case Thickness: 12

chronograph seconds hands and hour markers sport Super-LumiNova® for a perfect glow in the dark

In the early morning

Number of Jewels: 23 Jewels

Casio G-Shock Master Of G Gravitymaster Solar Carbon Resin Watch GR-B300-1A Grand Seiko Crystal: Sapphire crystalThe skys the limit! Introducing the GRAVITYMASTER GR B300, a piece of aviation inspired professional gear designed to work even in the harshest environments, from the G SHOCK MASTER of G line. The GR B300 features a Carbon Core Guard structure, which delivers the shock resistance, rigidity, and corrosion resistance of carbon material used in aircraft fuselages. The carbon fiber reinforced resin case and the seamless bezel design inspired by next