Casio G-Shock [DW-6900UMS-1DR-S]

These models represent some of the very best of the tough and durable G-SHOCK design in basic G-SHOCK black. In addition to the band, even the watch's buttons are ion plated to a black finish.

Case size (L×W×H): 53.2 × 50 × 18.7 mm
Weight: 67 g
Case and bezel material: Resin
Band: Resin Band
Construction: Shock Resistant
Water resistance: 200-meter water resistance

Power supply and battery life:

• Approx. battery life: 5 years on CR2016

Exterior:

• Glass: Mineral Glass
• Compatible band size: 145 to 205 mm

Watch Features:

• Stopwatch:
  • 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
• Timer:
  • Countdown timer
  • Measuring unit: 1 second
  • Countdown range: 24 hours
  • Countdown start time setting range: 1 second to 24 hours (1-second, 1-minute, and 1-hour increments)
• Alarm:
  • 5 daily alarms (with 1 snooze alarm)
  • Hourly time signal
• Auto-repeat

Alarm/ hourly time signal:

• Hourly time signal
• Multi-function alarm

Flash alert feature:

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

Light:

• LED backlight (Super Illuminator)
  
• Afterglow
• Light color: White

Calendar: Full auto-calendar (to year 2099)
Accuracy: ±15 seconds per month

Other features:

• 12/24-hour format
• Regular timekeeping:
  • Hour, minute, second, pm, month, date