Casio G-Shock Black and Gold Series GD-010GB-1A9 Black Bio-based Resin Band Men Sport Watch

• Case size (L× W× H):
   54.9 × 51.9 × 16.1 mm

• Weight: 65 g

• Case and bezel material: 
  Bio-based Carbon / Bio-based resin

• Band:
  Bio-based resin band

• Construction:

  Shock Resistant

  Carbon Core Guard structure

• Water resistance:
  200-meter water resistance

• Power supply and battery life: 
  Approx. battery life: 10 years on CR2025

• Glass:
  Mineral Glass

• Compatible band size: 145 to 215 mm

• World time:

   Multi Time (4 different cities)

   World time

   31 time zones (48 cities + coordinated universal time), daylight saving on/off, Home city/World time city swapping

• Stopwatch:

  1/100-second stopwatch

  Measuring capacity: 23:59'59.99''

  Measuring modes: Elapsed time, split time, 1st-2nd place times

• Timer:

  Countdown timer

  Measuring unit: 1/10 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)

• Alarm/hourly time signal:

  5 daily alarms (daily or one-time)

  Hourly time signal

• Light:

   LED backlight (Super Illuminator)

   Auto light switch, selectable illumination duration, afterglow

• Light color:
  LED: White

• Calendar:
  Full auto-calendar (to year 2099)

• Mute feature:
  Button operation tone on/off

• Accuracy: 
  Accuracy: ±15 seconds per month

• Other features: