Casio Pro-Trek

•Twin sensor

•Pressure sensor - Altitude (-700 to

  10,000m), Barometric (260Pa to

  1,100hPa), Temperature sensor

  (-10°C to 60°C)

•Stopwatch 1/100-second

•Countdown timer

•Full auto EL backlight

•100m Water resistant

•Large capacity solar power

Price: £105 (including free delivery!)*

•Multi region 2 radio controlled (UK,

  SA, Japan and Most of Europe)

•Solar powered

•Illuminator

•Barometer, Altimeter & Thermometer

•Recalling altitude data

•World time

•Stopwatch & Countdown timer

•5 Alarms

•100m Water resistant

Price: £117 (including free delivery!)*

•Full Auto EL Backlight

•Duplex LCD

•Solar Power

•Daily Alarm, Hourly Time Signal

•Stopwatch, Digital Compass

•Altimeter, Barometer & Thermometer

•Full Auto Calendar

•12/24-hour Timekeeping

•Battery Level Indicator

•Resin Band

•Spherical Mineral Glass

•50m Water Resistant

•Low-Temperature Resistant

Price: £123 (including free delivery!)*

•Resin Case

•World time: 29 time zones (30 cities)

•Daylight saving on/off

•Thermometer, Barometer, Altimeter

•Solar powered

•Power Save Function

•Low temperature resistant

  (-10°C/14°F)

•Digital compass

•Daily alarms

•Countdown timer

•Battery operating time

•1/100-second stopwatch

Price: £122 (including free delivery!)*