Description G-Shock Classic GD100-1B, Black Based on the successful analog/digtial GA100 X-large G series, G-Shock introduces G-Shock Classic GD100-1B, Black, an all digital version line-up. Black resin band digital watch with black face. Specifications 200M Water Resistant Shock 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
