The GST-B600, with its fusion of metal and resin components, comes in at a super-slim 11.3 mm with the popular small case measuring just 42 mm in diameter, all the while managing to maintain the two-part metal bezel construction that G-STEEL is known for.

• Case / bezel material: Resin / Stainless steel
  
• Resin Band
  
• Shock Resistant¶ÿ
  
• Neobrite¶ÿ
  
• Mineral Glass
  
• Black ion plated bezel
  
• 200-meter water resistance
  
• Tough Solar (Solar powered)
  
• 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)
  
• LED:White
  
• Mobile link (Wireless linking using Bluetooth¶©)¶ÿ
  
• World time¶ÿ
  
• 38 time zones (38 cities + coordinated universal time), auto summer time (DST) switching, home city/world time city swapping
  
• 1-second stopwatch
  
• Measuring capacity: 59'59
  
• Measuring unit: 1 second
  
• Measuring modes: Elapsed time, lap time, split time
  
• Countdown timer
  
• Measuring unit: 1 second
  
• Countdown range: 60 minutes
  
• Countdown start time setting range: 1 second to 60 minutes (1-second increments and 1-minute increments)
  
• 5 daily alarms
  
• Hourly time signal
  
• Hand shift feature (Hands move out of the way to provide an unobstructed view of digital display contents.)
  
• Low battery alert
  
• Full auto-calendar (to year 2099)¶ÿ
  
• 12/24-hour format¶ÿ
  
• Button operation tone on/off
  
• Power Saving (display goes blank to save power when the watch is left in the dark)
  
• Date/month display swapping
  
• Day display (days of the week selectable in six languages)
  
• Regular timekeeping:
  
• Analog: 2 hands (hour, minute (hands move every 20 seconds))
  
• Digital: Hour, minute, second, pm, month, date, day
  
• Date/month display swapping
  
• Accuracy: ¶ñ15 seconds per month (with no mobile link function)
  
• Approx. battery operating time:
  
• 7 months on rechargeable battery (operation period with normal use without exposure to light after charge)
  
• 18 months on rechargeable battery (operation period when stored in total darkness with the power save function on after full charge)
  
• Size of case : 41.4 Ç? 42.3 Ç? 11.4 mm
  
• Total weight : 60 g