Casio GRAVITY MASTER GPW-1000FC-1A9

From the G-SHOCK GRAVITYMASTER, introducing the GPW-1000 — the world’s first*1 watch with CASIO-original GPS HYBRID WAVE CEPTOR*2 technology built in.

GPS HYBRID WAVE CEPTOR combines Multiband 6 capability to receive any one of six time calibration signals around the globe with a receiver that acquires position and time information from GPS satellites. When GPS information is acquired the watch determines your current time zone and judges whether or not your location requires the use of summer time, and updates watch settings accordingly. The combination of these two capabilities creates a hybrid timepiece designed and 

Specifications

• Triple G Resist
• Neobrite
• Sapphire Glass
• 200-meter water resistance
• Case / bezel material: Stainless steel / Resin
• One-touch 3-fold Clasp
• Resin Band

• Solar powered
• LED light (Super Illuminator)
  Afterglow
• GPS signal reception: Auto receive (time information, once/day); Manual receive (position information, time information)
• Time calibration signal reception:
  Auto receive up to six* times a day (remaining auto receives canceled as soon as one is successful)
  *5 times a day for the Chinese calibration signal
  The latest signal reception results
• Time Calibration Signals
  Station name: DCF77 (Mainflingen, Germany)
  Frequency: 77.5 kHz
  Station name: MSF (Anthorn, England)
  Frequency: 60.0 kHz
  Station name: WWVB (Fort Collins, United States)
  Frequency: 60.0 kHz
  Station name: JJY (Fukushima, Fukuoka/Saga, Japan)
  Frequency: 40.0 kHz (Fukushima) / 60.0 kHz (Fukuoka/Saga)
  Station name: BPC (Shangqiu City, Henan Province, China)
  Frequency: 68.5 kHz
• The auto hand home position correction
• Airplane mode
• World time
  40 time zones (27 cities + coordinated universal time), city code display,
  daylight saving on/off
• 1/20-second stopwatch
  Measuring capacity: 23’59.95”
  Measuring mode: Elapsed time
• Countdown timer
  Measuring unit: 1 second
  Countdown range: 24 hours
  Countdown start time setting range: 1 minute to 24 hours (1-minute increments and 1-hour increments)
• Daily alarm
• Low battery alert
• Power Saving (hands stop to save power when the watch is left in the dark)
• Full auto-calendar (to year 2099)
• Date display
• Regular timekeeping
  Analog: 3 hands (hour, minute (hand moves every 10 seconds), second)
  3 dials (24-hour, world time hour and minute, day), date
• Accuracy: ±15 seconds per month (with no signal calibration)
• 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: 66 × 56 × 18.8 mm
• Total weight: 151 g
• LED:White