Casio G-Shock Aviation GPS Hybrid Gravity Master GPW1000-1A Citizen Eco-Drive JW0139-05L Promaster SST The slightly elliptical form lends

The slightly elliptical form lends an extraordinary dynamic to the watch

Triple Sensor

lap/split times

Dial has design elements from actual Frank Lloyd Wright Design

Casio G-Shock Aviation GPS Hybrid Gravity Master GPW1000-1A Citizen Eco-Drive JW0139-05L Promaster SST The slightly elliptical form lendsCasio G Shock Aviation GPS Hybrid Gravity Master GPW1000 1A CASIO G SHOCK GPW 1000 is equipped with a low power consumption, high performance GPS LSI manufactured by Sony Corporation, which both companies collaborated on to customize for wristwatches. This enables the watch to achieve world leading low power consumption. By combining Multi Band 6 technology for receiving Radio Wave signals transmitted from six stations around the world with the GPS