Simple design principles and useful daily functionality have kept the F91W in the hearts of watch wearers since 1989, truly defining it as a Casio classic. At only 8.5mm thick, the thin case makes it comfortable to wear with any outfit, with or without sleeves. Lightweight, it’s easy to forget you’re wearing the F91W, as the resin case and band are designed to keep this Casio classic digital watch as light as possible. Water resistance gives you peace of mind from accidental splashes, and the stopwatch and alarms are tools for various life tasks. The stopwatch not only measures elapsed time but split time as well, noting 1st and 2nd place times. Split time (aka lap time) can be used to record the legs of a journey, steps in a recipe, exercise and fitness routines, and more. The LED light also gives you a great read in the dark. All these features are powered by a battery with an approximate life of 7 years. At the F-91W’s price point, long-life batteries coupled with Casio’s trusted brand reliability make the F91W-1 a unique digital watch. Superb functionality and retro style at an affordable price elevate the Casio F91W-1 into the hall of fame of classic Casio digital watches.