Casio G-Steel [GM-2100B-3ADR]

Case size (L×W×H): 49.3 × 44.4 × 11.8 mm
Weight: 72 g
Case and bezel material: Resin / Stainless steel
Band: Resin Band
Construction: Shock Resistant
Water resistance: 200-meter water resistance

Power supply and battery life:

• Approx. battery life: 3 years on SR726W X 2

Exterior:

• Glass: Mineral Glass
• Other: Neobrite

Watch Features:

• World time:
  • 31 time zones (48 cities + coordinated universal time), daylight saving on/off
• 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
  • Hourly time signal

Light:

• Double LED light
  • LED light for the face: Super illuminator, selectable illumination duration (1.5 seconds or 3 seconds), afterglow
  • LED backlight for the digital display: Super illuminator, selectable illumination duration (1.5 seconds or 3 seconds), afterglow
  • Light color: White

Calendar: Full auto-calendar (to year 2099)
Mute feature: Button operation tone on/off
Accuracy: ±15 seconds per month

Other features:

• 12/24-hour format
• Hand shift feature: Hands move out of the way to provide an unobstructed view of digital display contents
• Regular timekeeping:
  • Analog: 2 hands (hour, minute — hand moves every 20 seconds), 1 dial (day)
  • Digital: Hour, minute, second, pm, month, date