G-Shock • GSTB100B-1A4 • Men's Watch Shape:Round Gold-tone stainless steel case features

Gold-tone stainless steel case features an open aperture gold dial and gold-tone hands and markers

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

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

The GMAS2100-1A sports a classic black colorway with rose gold accents

auto calibration)

G-Shock • GSTB100B-1A4 • Men's Watch Shape:Round Gold-tone stainless steel case featuresNew 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