Casio G Shock Solar & Bluetooth Watch GBM 2100A 4BER

G-STEEL METAL BEZEL: Bold stainless steel bezel over bio-based resin case delivers iconic G-SHOCK protection with a sleek, metal-accented finish ready for the gym or the boardroom TOUGH SOLAR: Recharged by any light source indoors or out; never needs a battery replacement and never runs out of power during daily wear BLUETOOTH SMARTPHONE LINK: Syncs with the Casio Watches app for automatic time correction, world time across 300+ cities; personalised alarms set straight from your phone 200 M WATER RESISTANCE: Rated to 20 bar; handles swimming, snorkelling, and demanding water sports without compromise day after day BIO-BASED ECO RESIN: Key case and band components made from renewable organic bio-based resin; reduces environmental footprint without sacrificing G-SHOCK toughness