The third generation of smartwatches from Casio.
At your service is GPS, pressure sensor (air pressure, altitude), accelerometer, gyrometer, compass (magnetic) sensor and other advanced functions from Casio.
An excellent sports watch, which is also capable of working in "watch only" mode and in this form will work for you for more than a month.
Casio WSD-F30BU
Wear OS by Google
Requirements: Android 4.4+, IOS 9.3+
Water resistance 50 meters
Screen 1.2 inches capacitive touchscreen,
dual layer, color OLED and monochrome LCD
Resolution 390 * 390 pixels
GPS, Glonass, MitibikiSupports offline GPS use, can save up to five offline maps
Sensors: pressure (air pressure, altitude), accelerometer, gyrometer, compass (magnetic) sensor
MicrophoneVibro
Bluetooth 4.1, energy saving
Wi-Fi (IEEE 802.11 b / g / n)
Battery charging time approx. 3 hours
Diameter 53.8mm, Height 60.5mm, Thickness 14.9mm
Weight 83 grMIL-STD-810 (US military standard issued by the US Department of Defense), low temperature resistance (-10 ° C)
Casio special software: trekking, fishing, cycling, paddle, snow
Bearing, altitude and barometric pressure measurements, sunrise / sunset times, tide graph, activity graph (steps / calories)
AUTONOMY
Without GPS:
1.5 days in color mode
Month in clock only mode monochrome displayWith GPS:
3 days with mixed mode color / monochrome display and GPS operation no more than 8 hoursAdditional description https://wsd.casio.com/us/en/wsd-f30/features/