G-Shock Mid-Size S-Series CasiOak GMAS2100-4A2 G Shock Bands & Parts the GA100-1A4 delivers a fiery

the GA100-1A4 delivers a fiery red accent

countdown timer and world map display

The eye-catching design with second hand and date display ensures great visibility and an easy read

Download the dedicated app to pair with your smartphone and easily display tide data for more than 3

which crushes in any fashion scene

G-Shock Mid-Size S-Series CasiOak GMAS2100-4A2 G Shock Bands & Parts the GA100-1A4 delivers a fieryThis series downsizes the GA 2100 to create a simple and slim design. The octagonal bezel, flat face, simple bar hour markers, and carbon core guard structure that are distinctive features of the GA 2100 are now available in a compact configuration.