Pro Trek by Casio PRG270-4A G-Shock G-Steel 35th Anniversary Edition GSTB100TFB-1A Water Resistance : 5 bar

Water Resistance : 5 bar (50m)/73 psi (164ft)

different models are available

it will be as eye-catching as the marine life it swims with

Hands and hour markers are deep-filled with Swiss Super-LumiNova® BGW9 that emits a long-lasting blue glow in dark conditions

with the Grand Seiko logo at the twelve o'clock position

Pro Trek by Casio PRG270-4A G-Shock G-Steel 35th Anniversary Edition GSTB100TFB-1A Water Resistance : 5 barPro Trek by Casio PRG270 4A "Introducing the Solar Powered PRG270 which incorporates Casio's new Triple Sensor Version 3 engine. Advanced CASIO original technology has allowed for a 95% smaller direction sensor and 90% reduction in sensor power consumption compared to previous models. Despite their smaller size, the new sensors in this model delivers better accuracy and energy efficiency. This model can measure Altitude in 1m increments (previously