GM6900-1 Silver 180 GM6900B-4 Black IP 220 GM6900G-9 Yellow Gold IP 230 Editors note the U.S. market references are listed
link here instead of the JDM counterparts in the original article. Resin and stainless steel case. Case size 53.9 x 49.7
link x 18.6 mm. Weight 96 grams. Water resistance 20 ATM. For more information visit G-Shock.This article first appeared on HODINKEE.jp
link which you can visit clicking here.