Case / bezel material: resin, resin band, magnetic resistant, shock resistant, mineral glass, 200-meter water resistance, led light, auto light switch, selectable illumination duration (1. 5 seconds or 3 seconds), afterglow, world time, 29 time zonesX48Xities coordinated universal time), daylight saving on/off, home city/world time city swapping, 1/1000-second stopwatch, measuring capacity: 99: 59'59. 999'', measuring modes: elapsed time, lap time, split time, others: speed (0 to 1998Xnits/hourdistance input (0. 0 to 99. 9), countdown timer, measuring unit: 1 second, countdown range:X4 hours, countdown start time setting range: 1 minute toX4 hours (1-minute increments and 1-hour increments), other: auto-repeat, 5 daily alarms (with 1 snooze alarm), hourly time signal, full auto-calendar (to year 2099), 12X4-hour format, regular timekeeping, analog: 2 hands (hour, minute (hand moves every 20 seconds)), 1 dial (speed), digital: hour, minute, second, pm, month, date, day. accuracy: 15 seconds per month, approx. battery life: 3 years on cr1220, size of caseX49X45. 9X15. 8X, total weight: 55g