Unisex's Resin Digital Wrist Watch CA-53WF-1BDF Black

Case size (L× W× H) : 43.2 × 34.4 × 8.2 mm Weight : 25 g Case / bezel material: Resin Resin Band Water Resistant Approx. battery life: 5 years on CR2016 Resin Glass World time : Dual time 1/100-second stopwatch Measuring 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) Mute feature : Button operation tone on/off Accuracy: ±15 seconds per month 8-digit calculator 12/24-hour format Regular timekeeping: Hour, minute, second, am/pm, year, month, date, day