GM-B2100PC-1AJF G-Shock Men’s Watch “JDM”. A brand-new, unused, unopened, undamaged item in its original packaging. Bezel Material: Stainless steel. Metal band : Stainless steel. Case thikness 12.8mm. Max Bracelet length including the case: about 205mm. Regarding the detailed spec please refer to Casio URL. Indexes are Gradation of colors from Blue to Purple. So, reflected light from the indexes is NOT RAINBOW. This watch is heavy. It is difficult to know the real color with photos. All our items are 100% authentic. Europe, Canada, Australia and Asia buyers. International Buyers – Please Note.