Casio Protrek Twin Sensor Analog-Digital PRG-280-2D WatchCasio Protrek Twin Sensor Analog Digital PRG 280 2D WatchThe new introduction features the Twin Sensor s for direction and temperature reading and adds a different dimension to the PRO TREK lineup. This is particularly suitable for them who dont need the altimeter and the barometer for the job. So, Casio thought of trimming down the Pro Trek and threw in the Super Illuminator instead. Rest of the things remain the same and provides plenty for