Casio G-Shock G-Steel Men's Watch GBM-2100A-4B Resin Band Shock Resistant Bluetooth Tough Solar analog Time information also can be

Time information also can be acquired from an internet time server using the G-SHOCK Connected*1 app running on a smartphone

Get a lightweight analog timepiece in a slim design with a compact watch face

Sapphire crystal with non-reflective inside surface coating100-meter water resistance

6 mm case that delivers a comfortable fit even on slimmer wrists

Carbon fiber core protection structure

Casio G-Shock G-Steel Men's Watch GBM-2100A-4B Resin Band Shock Resistant Bluetooth Tough Solar analog Time information also can beFeatures G STEEL 2100 Series Smart and stylish, sleek and sophisticated a GBM 2100 with bold metal bezel that delivers Smartphone Link and Tough Solar charging system, all in the same compact size. Key resin components used in the case and band are made with environmentally responsible bio based resin. Choose your favorite color combination of vapor deposition finishes the GBM 2100A 2B with blue dial and silvery indexes, the GBM 2100A 4B with burgundy