Casio G-Shock XL Series Classic Digital Black Mens Watch GD100MS-1

Features: Shock Resistant 200M Water Resistant Auto LED Backlight (Super Illuminator) Multi-time (4 different cities) World Time 31 time zones (48 cities + UTC), city code display, daylight saving on/off 5 Independent Alarms (one-time or daily) Hourly Time Signal Flash alert Flasher with buzzer that sounds for alarms, hourly time signal, countdown timer time-up alarm, countdown timer progress beeper 1/100 second stopwatch Measuring capacity: 23:59'59.99 Measuring modes: Elapsed time, split time, 1st-2nd place times Countdown timer Measuring unit: 1/10 second Countdown range: 24 hours Countdown start time setting range: 1 minute to 24 hours (1-second increments, 1-minute increments and 1-hour increments) Other: progress beeper Full Auto Calendar (pre-programmed until the year 2099) 12/24 Hour Formats Button operation tone on/off Accuracy: +/-15 seconds per month Battery: CR2025 Approx. battery life: 7 years Module 3263 Size of case/total weight GD100SC 55.0 x 51.2 x 17.4mm / 72g GD100NS 55.0 x 51.2 x 17.4mm / 72g