Standard - W-221HD-1AVDF

World time 29 time zones (48 cities), daylight saving on/off Stopwatch 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 Timer 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, progress beeper on/off, time up alarm Alarm/hourly time signal Hourly time signal 3 multi-function alarms (with 1 snooze alarm) Flash alert feature Flash alert Flashes with buzzer that sounds for alarms, hourly time signal, countdown timer progress beeper, and stopwatch auto start Light LED backlight Selectable illumination duration (1.5 seconds or 3 seconds), afterglow Light color LED:Amber Calendar Full auto-calendar (to year 2099) Mute feature Button operation tone on/off Accuracy: ±30 seconds per month 12/24-hour format Regular timekeeping: Hour, minute, second, pm, month, date, day Resin Glass Case and bezel material - Resin Stainless Steel Band One-touch 3-fold Clasp 50-meter water resistance Power supply and battery life Approx. battery life: 10 years on CR2032 Case size (L× W× H) 43.7 × 38.4 × 12.2 mm Weight 96 g