On the surface, the Suunto Elementum Aqua Watch has the look of a fine timepiece, and once underwater, this watch automatically activates an array of data functions designed specifically for divers. Vital dive information is displayed on an easy to read LCD display surrounded by a stainless steel case and sapphire crystal face. Surrounding this LCD is a prominent crown which doubles as a rotating selector to scroll through dive logs a clever design touch that gives a nod to the attention to detail paid by Suunto's engineers. This is a reliable, data rich instrument for divers and diving enthusiasts alike. Sapphire crystal glass face has an anti reflective coating to make it easier to read on sunny days and from behind gogglesStainless steel case is corrosion resistant and near bulletproof in terms of durabilityLCD display uses metallic display graphics that provide crisp, clear characters on the screenBack cover, contact sealing, and waterproof push button construction all help this watch achieve its water resistance of up to 200m 660ftOperating temperature ranges from 14 degrees Fahrenheit to 140 degrees FahrenheitWatch crown operates like a rotating selector to allow the user to scroll through dive logs with ease, and it can be used underwater without worryBacklight illuminates the face of this watch for easy reading at nightBuilt in sensor automatically activates the watch's diving functions once you reach a depth of . 6m 2ft and logs start at 1. 2m 4ftDepth, maximum depth, and dive time functions track important dive information while you're underwaterAudible alarms can notify you of important informationAbove water, this watch counts up to 48 hours of surface time so you know when it's safe to hit the water againWater temperature reading makes environmental forecasting and gear choices easierInternal log can track information regarding your last 14 divesButton lock mode keeps you from changing functions accidentallyStraps are replaceable by authorized ..