Go playful with a selection of charming, timeless designs boasting both analog-style clock and digital time display. The versatility of compact comfort and natural colors that are always in style fits any wrist. The band is made of bio-based resin produced from renewable organic materials. Packed with handy features like LED lighting, stopwatch, alarm, timer, and world time, these watches deliver ready-for-anything style and practical function. Case / bezel material: Resin Bio-based resin band Resin Glass Water Resistant LED backlight, Selectable illumination duration (1.5 seconds or 3 seconds), afterglowLED:Amber Multi Time (4 different cities) World time, 31 time zones (48 cities + coordinated universal time), daylight saving on/off, Home city/World time city 1/100-second stopwatchMeasuring capacity: 23:59'59.99''Measuring modes: Elapsed time, split time, 1st-2nd place times Countdown timerMeasuring unit: 1/10 secondCountdown range: 24 hoursCountdown start time setting range: 1 second to 24 hours (1-second increments, 1-minute increments and 1-hour increments) 5 daily alarms or one-time alarms Hourly time signal Full auto-calendar (to year 2099) 12/24-hour format Button operation tone on/off Regular timekeeping: Digital: Hour, minute, second, pm, month, date, day Accuracy: ¶ñ30 seconds per month Approx. battery life: 3 years on CR1616 Size of case : 37.8 x 33.7 x 8.6 mm Total weight : 23 g