The G-Shock GA2100SB-1A is a slim analog-digital combination watch that inherits the design concept of the first G-SHOCK. This model features a metal-clad design with a polished gleam and the iconic octagonal form, measuring just 11.8mm from bezel to case back while maintaining G-SHOCK's signature tough construction.

• Metal-clad design with gold and silver color accents.
• Slim 11.8mm case depth.
• Iconic octagonal bezel shape.
• Circular hairline treatment on the dial.
• Silver-color vapor deposition on the dial and index marks.
• Matte black bezel and band.
• Utilitarian colors that complement street fashion.
• Double-molded bezel cover.
• Shock resistant.
• Carbon Core Guard structure.
• Tough Solar charging.
• Bluetooth connectivity.
• Stopwatch function.
• World Time.
• 5 daily alarms.
• Water resistant to 200 meters.