Tactical Military Watch - Digital Outdoor Sports Watch for Men, Pedometer, Compass, Calories, Durable Nylon Band

++Battery life: 18 months + Function introduction: compass, altimeter, barometer, thermometer, weather forecast, world time, dual time, pedometer, calories, distance record, 2 sets of alarm clocks, countdown timer, stopwatch, EL backlight. Materials: Solid metal case with durable and breathable nylon band,Japanese battery. (CR2032 18months life). Watch Size: Diameter: 50mm/1.97in; thickness: 16mm/0.63in; width of band: 24mm/0.94in; net weight: 117g/4.12oz. (Since it is a little big and heavy ,please kindly check if it meet your needs) Waterproof: 50M waterproof, means you could wear it for swimming (not diving), don't push the button when it is under water, also do not wearing it for hot water bath, it will reduce its life span.