The G-Shock DW6900RL-1D Digital Watch combines style and durability with its black case, digital dial, and black strap. Designed with G-SHOCK's signature shock resistance, this watch features a sleek 53.2 x 50 x 18.7mm case size and a lightweight 67g build. It offers advanced functionality, including a Super Illuminator LED backlight with Afterglow for easy readability in low light. The flash alert feature ensures you won’t miss alarms, hourly signals, or countdowns. The 1/100-second stopwatch and countdown timer are perfect for precision timing, while the full auto-calendar tracks date up to the year 2099. It also supports both 12/24-hour formats and provides regular timekeeping with hour, minute, second, pm, month, date, and day. With an accuracy of ±15 seconds per month and a CR2016 battery that lasts approximately 5 years, this watch is as reliable as it is tough. - Module No. 3529 - 53.2 x 50 x 18.7mm Case Size - 67g Weight - Shock resistant (G-SHOCK) - LED backlight (Super Illuminator): Afterglow - Flash alert: Flashes with buzzer that sounds for alarms, hourly time signal, countdown timer, time up alarm - 1/100-second Stopwatch - Countdown Timer - Hourly time signal - Full auto-calendar (to year 2099) - 12/24-hour format - Regular timekeeping: Hour, minute, second, pm, month, date, day - Accuracy: ±15 seconds per month - Battery: Approx. 5 years on CR2016