Casio G-Shock Master of G GR-B300-8A2ER 20 numerals and hands with Superluminova

numerals and hands with Superluminova C3/Black NL

CRYSTALFront sapphire crystal with double anti-reflective treatment

The name says it all

Silver ring with synthetic tourmalines

MATERIAL Multi-piece titanium case

Casio G-Shock Master of G GR-B300-8A2ER 20 numerals and hands with SuperluminovaIntroducing a new addition to the G SHOCK Master of G collection: the GRAVITYMASTER GR B300, a professional aviation inspired watch designed to perform even in the most challenging environments. The GR B300 features a Carbon Core Guard structure for maximum durability. The carbon fiber reinforced resin case and bezel design, inspired by next generation aircraft, merge into a bold and powerful form. See the world through a pilot's eyes with the flight