Indulge your love for gadgety design with a Casio watch with calculator functions in metallic color. The Casio calculator model, a perennial favorite since its 1980s debut, gets a high-quality metallic makeover. The same original cool-gadget calculator functions are paired with an oblong case and metal band for a pure retro look. With a calculator function that can handle 8-digit computations, a 1/100 stopwatch, and an alarm, this timepiece adds up to cool, calculated style. Case / bezel material: Resin / Chrome plated Stainless Steel Band Adjustable Clasp Gray ion plated band Resin Glass Water Resistant Dual time 8-digit calculator 1/100-second stopwatchMeasuring capacity: 23:59'59.99''Measuring modes: Elapsed time, split time, 1st-2nd place times Daily alarm Hourly time signal Full auto-calendar (to year 2099) 12/24-hour format Button operation tone on/off Regular timekeeping: Hour, minute, second, am/pm, year, month, date, day Accuracy: ±30 seconds per month Approx. battery life: 5 years on CR2016 Size of case : 43.2 x 34.4 x 8.2 mm Total weight : 53 g