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. Basic Information Case size (L× W× H)37.8 × 33.7 × 8.6 mm Weight23 g Case and bezel material - Case / bezel material: Resin Band - Bio-based resin band Water resistance - Water Resistant Power supply and battery life - Approx. battery life: 3 years on CR1616 Exterior Glass - Resin Glass Compatible band size125 to 200 mm Watch Features World time - Multi Time (4 different cities)World time 31 time zones (48 cities + coordinated universal time), daylight saving on/off, Home city/World time city swapping Stopwatch1/100-second stopwatch Measuring capacity: 23:59'59.99'' Measuring modes: Elapsed time, split time, 1st-2nd place times Timer - Countdown timer Measuring unit: 1/10 second Countdown range: 24 hours Countdown start time setting range: 1 second to 24 hours (1-second increments, 1-minute increments and 1-hour increments) Alarm/hourly time signal5 daily alarms or one-time alarms - Hourly time signal Light - LED backlight Selectable illumination duration (1.5 seconds or 3 seconds), afterglow Light colour - LED:Amber Calendar - Full auto-calendar (to year 2099) Mute feature - Button operation tone on/off Accuracy - Accuracy: ±30 seconds per month Other features12/24-hour format - Regular timekeeping: Digital: Hour, minute, second, pm, month, date, day