Mineral glass neobrite shock resistant 100-meter water resistance case , bezel material: resin , aluminum resin band led light selectable illumination duration (1.5 seconds or 3 seconds), afterglow world time 31 time zones (48 cities + coordinated universal time), daylight saving on,off, home city,world time city swapping hand shift feature (hands move out of the way to provide an unobstructed view of digital display contents.) 1-second stopwatch measuring capacity: 59'59 measuring modes: elapsed time, split time, 1st-2nd place times countdown timer measuring unit: 1 second countdown range: 60 minutes countdown start time setting range: 1 to 60 minutes (1-minute increments) daily 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)) digital: hour, minute, second, pm, month, date, day accuracy: ?ñ30 seconds per month approx. battery life: 2 years on sr726w ?? 2 size of case: 49 ?? 46 ?? 14.9 mm total weight: 51 g led:amber