and control customization
bold presence on the wrist with high quality finish and real‑world function
the DW-5900TS-4DR boasts a shock-resistant structure and is water-resistant up to 200 meters
4835 GHz Bluetooth transmitter power ≤ 12 dBm (EIRP) Bluetooth transmitter modulation GFSK
CASIO G-SHOCK GA-B2100LUU-8A “CasiOak” – Tough Solar & Bluetooth Analog-Digital Watch, Grey Carbon Core Guard, 200M Water Resistant, Super Illuminator, World Time G-Shock and control customizationGo ultra tough and ultra slim with the octagonal CASIO G SHOCK GA B2100LUU 8A. This CasiOak adds Tough Solar power and Bluetooth Smartphone Link to the fan favorite 2100 silhouette, delivering auto time sync, easy settings, World Time, and phone finder from the CASIO WATCHES app. The Carbon Core Guard structure keeps it light yet shock resistant, while 200M water resistance, mineral glass, and a comfortable bio based resin band make it ready for