G-SHOCK 40th Anniversary REMASTER BLACK DW-6640RE-1DR

Approx. battery life: 5 years on CR2016

Mineral Glass

145 to 205 mm

1/100-second stopwatch Measuring capacity: 00'00''00~59'59''99 (for the first 60 minutes) 1:00'00~23:59'59 (after 60 minutes) Measuring unit: 1/100 second (for the first 60 minutes) 1 second (after 60 minutes) Measuring modes: Elapsed time, split time, 1st-2nd place times

Countdown timer Measuring unit: 1 second Countdown range: 24 hours Countdown start time setting range: 1 second to 24 hours (1-second increments, 1-minute increments and 1-hour increments) Other: Auto-repeat

Hourly time signal

Multi-function alarm

Flash alert Flashes with buzzer that sounds for alarms, hourly time signals, countdown timer time up alarm

LED backlight (Super Illuminator) Afterglow

LED:White

Full auto-calendar (to year 2099)

Accuracy: ±15 seconds per month

12/24-hour format

Regular timekeeping: Hour, minute, second, pm, month, date, day

53.2 × 50 × 18.7 mm

71 g