The Core Watch by Suunto is all you could ever ask for (and more) in a watch. Suunto prides itself on making extremely precise and durable watches. Features of this Core Watch are: • Barometer with storm alarm and weather trend indicator. These features give you the power to check weather conditions for the near future. The storm alarm also will notify you of potential worsening weather conditions due to a drop in air pressure. • Automatic altimeter/barometer switch and compass with semi auto calibration and digital bearing for accurate readings• Depth meter, date, alarm functions with dual time and countdown timer• Accurate sunrise/sunset times for over 400 locations worldwide• Robust plastic case and digital thermometer• User interface available for English, German, French or Spanish• Accessory straps and a user-replaceable battery. • Water resistance to 100'• Altimeter with altitude log memory and altitude difference measurement. The altitude difference measurement gives you an accumulating reading in terms of altitude climbed and displays them in graphs showing you the average speed of ascents/descents, the time taken or simply how much you have climbed. The altimeter also ranges up to 29,500 ft (9000m), putting all 14 of the world's 8,000+ meter summits within your sights. Take the world by storm and conquer the greatest of obstacles. This is the ultimate performance watch and you won't want to miss out. Measures approximately 2" x 0.5" x 11" circumference w/ adjustable elastomer band to fit comfortably.