G-Shock • GSTB100B-1A4 • Men's Watch Shape:Round battery life: 3 years on

battery life: 3 years on SR920SW

Featured in a gold-tone stainless steel case with a black leather strap

A watch that goes with you all the way from the wild outdoors to the inner city

making it capable of self-charging through low sun exposure

Strap material & color: Matte black-plated stainless steel - Black

G-Shock • GSTB100B-1A4 • Men's Watch Shape:Round battery life: 3 years onNew from the G STEEL lineup that combines different materials. The Bluetooth connect button, the GST B100 iconic disk indicator at 9 oclock, and the G SHOCK logo are accented with colors that are typical of those seen on high tech gadgets. The case has a black ion plated (IP) finish, which combines with the edgy GST B100 design to create a pair of exciting new models. Features: Case bezel material: Resin Stainless steel Resin Band Screw Lock Crown