The new Gulfmaster ocean concept G-Shock that predicts weather changes. For the toughest men who challenge the deepest seas, Casio presents the ultimate maritime G-Shock with Smart Access technology. Equipped with Triple Sensors for Measuring Direction, Atmospheric Pressure/Altitude, and Temperature Hands Serve to Indicate Atmospheric Pressure and Compass Bearing. The GWN1000B-1B Gulfmaster is a black watch with a blue face and ion plated stainless steel bezel.
- Multi-Band Atomic Timekeeping (US, UK, Germany, Japan, China) Receives time calibration radio signals which keep the displayed time accurate Auto receive function (up to 6 times per day/up to 5 times per day for China) Manual receive function Signal: US WWVB, UK MSF, Germany DCF77, Japan JJY40/JJY60, China BPC Frequency: US 60kHz, UK 60kHz, Germany 77.5kHz, Japan 40/60kHz, BPC 68.5kHz
- Tough Solar Power
- Shock Resistant
- Tough Movement
- Auto hand home position correction
- Smart Access Electronic Crown w/Quick-lock