G-SHOCK G-LIDE has long been a favorite choice among the world's top surfers and street-sport athletes. These new additions promise to maintain that tradition. LED Light Auto Light switch, selectable illumination duration, afterglow Thermometer Display range: 10 to 60°C (14 to 140°F) Display unit: 0.1°C (0.2°F) World time 29 time zones (48 cities + coordinated universal time), dayLight saving on/off, Home city/World time city swapping Moon data (moon age of the specific date, moon phase graph) Tide graph (tide level for specific date and time) 1/100-second stopwatch Measuring capacity: 999:59'59.99'' Measuring modes: Elapsed time, split time, 1st-2nd place times 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) 5 daily alarms (with 1 snooze alarm) Hourly time signal Full auto-calendar (to year 2099) 12/24-hour format Button operation tone on/off Regular timekeeping Analog: 2 hands (hour, minute (hand moves every 20 seconds)), 1 dial (tide level) Digital: Hour, minute, second, pm, month, date, day Accuracy: ±15 seconds per month Approx. battery life: 3 years on SR927W ? 2 Size of case : 55 X 51.2 X 16.9 mm Total weight: 73 g LED: Amber Size of case / Total weight Size of case : 55×51.2×16.9mm Total weight : 69g