Introducing a more compact G-LIDE sports watch with tide graph display. Comfortably compact and slim, this design also takes its cue from nature. The bezel and band are made with eco-friendly biomass plastics using renewable organic resources to reduce environmental impact. Eco-friendly and functional, these watches deliver the tide graphs and moon data needed to ride the waves around the world, directly to the surfer�÷??s wrist. Case / bezel material: Bio-based resin Bio-based resin band Shock Resistant Mineral Glass 200-meter water resistance LED backlight (Super Illuminator) Selectable illumination duration (1.5 seconds or 3 seconds), afterglow LED:White Moon data (moon age of the specific date, moon phase graph) Tide graph (tide level for specific date and time) World time 29 time zones (48 cities), city code display, daylight saving on/off 1/100-second stopwatch Measuring capacity: 23:59'59.99'' Measuring modes: Elapsed time, split time, 1st-2nd place times Other: 5-second countdown auto start Countdown timer Measuring unit: 1 second Countdown range: 24 hours Countdown start time setting range: 1 minute to 24 hours (1-minute increments and 1-hour increments) Others: Auto-repeat, time up alarm, progress beeper on/off 3 multi-function alarms (with 1 snooze alarm) Hourly time signal Full auto-calendar (to year 2099) 12/24-hour format Button operation tone on/off Flash alert (LED indicator) Flashes with buzzer that sounds for alarms, hourly time signal, countdown timer time up alarm, countdown timer progress beeper, and stopwatch auto start Regular timekeeping: Hour, minute, second, pm, month, date, day Accuracy: Çï¶Ï15 seconds per month Approx. battery life: 3 years on CR1616 Size of case : 45.7 ƒ?ª? 40.5 ƒ?ª? 11.9 mm Total weight : 41 g