Casio G-Shock Mens Watch GM-B2100BD-1AER Black/ BlackThe full-metal construction with a screw-back case, bezel, and band crafted in stainless steel creates a streamlined design, while protecting the module from impact when dropped. We take it way back with the octagonal bezel and dimpled band design of the original from 80's, all done in metal. High-density mounting keeps the analogue-digital combination module slim, while still providing the advanced functions you love in a compact profile.The GM-B2100BD-1AER pairs with a smartphone via Bluetooth®. Simply tap into the dedicated app for precision timekeeping that keeps you on track. With Tough Solar, a high-brightness LED light and a range of other convenient functions, this is a timepiece that delivers on style and practical utility. Chisholm Hunter offer Casio Official 2 Year Guarantee and Presentation Gift Packaging.