Case / bezel material: Resin Resin Band Shock Resistant Mineral Glass 100-meter water resistance 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 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 Hand shift feature (Hands move out of the way to provide an unobstructed view of digital display contents.) 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 (worldtime hour and minute) Digital: Hour, minute, second, pm, month, date, day Accuracy: ±30 seconds per month Approx. battery life: 2 years on SR726W × 2 Close Size of case / Total weight