Casio Twin Sensor Men Altimeter Watch. This watch has twin sensor capability Altimeter/Barometer and Thermometer. It also is low temperature resistant. It has EL backlight with world time, 5 daily alarms, 1/100 second stopwatch and countdown timer. 100M Water Resistant, Analog/Digital - Accuracy: +/- 30 seconds per month. Large black resin case with silver highlights and matching black resin strap. Altimeter Measuring range: -700 to 10,000m (-2,300 to 32,800ft) without reference altitude Measuring unit: 5m (20ft) Others: Reference altitude setting Barometer Display range: 260 to 1,100 hPa (7.65 to 32.45 inHg) Display unit: 1 hPa (0.05 inHg) Barometric pressure differential pointer Thermometer Display range: -10 to 60 C (14 to 140 F) Display unit: 0.1 C (0.2 F) 100M Water Resistant Low Temperature Resistant (-10 C / 14 F) EL Backlight with Afterglow 5 Daily alarms Hourly time signal World Time 31 times zones (48 cities), city code display, daylight saving on/off 1/100 second stopwatch Measuring capacity: 23:59'59.99" Measuring modes: Elapsed time, split time, 1st-2nd place times Countdown Timer Measuring unit: 1 second Countdown range: 1 minute to 24 hours (1-minute increments and 1-hour increments) Full auto-calendar (pre-programmed until the year 2099) 12/24 hour formats Button operation tone on/off Accuracy: +/- 30 seconds per month Battery: CR2016 Approx. Battery Life: 2 Years
