This is the new Casio G-Shock GW-3500BB-1AJF Watch released on February 27, 2011 in Japan.

G-Aviation: Introducing the new large case Aviation concept watch with a 1/100-second chronograph designed to keep accurate time even under the stresses of high G forces that occur during air racing. Its large 32mm face is carefully laid out to provide the look of an aircraft instrument panel and is constructed of two layers creating a dramatic 3-D effect for the sub-dials. Large metal side buttons provide easy operation, but at the same time, are enclosed by guards that protect against accidental operation and damage. For added durability, its band is fastened on both sides with stainless steel screws for plenty of durability.

Specifications:

• Case bezel material: Stainless resin/steel
• Resin band
• Impact-proof structure
• Tough solar (solar charge system)
• 20 atmosphere waterproof
• Electric wave reception function: Manual automatic reception (six times or less/day)(A Chinese electric wave is five times or less/day)/reception and < Japan > reception electric wave: JJY and the frequency: 40kHz/60kHz (model for Fukushima/both bureau in Kyushu)< North America region > reception electric wave: WWVB and frequency: 60kHz< European region > reception electric wave: MSF/DCF77 and frequency: 60kHz/77.5kHz < China > reception electric wave: BPC and frequency: 68.5kHz. - The bureau that set it to the city is received when setting it to the city where the home time setting can be received. The time difference is set by the selected city.
• Positional automatic needle correction function
• The world time: City replacement function at display at time and home time of 48 cities (29 time zone and with set function Daylight Saving Time) in the world + UTC (Coordinated Universal Time)
• Stop watch)(with total for 24 minutes and splits for 1/100 seconds
• Timer (The unit of the set: maximum set for one minute: It measures and autorepeat (eight times) every second of 60 minutes).
• Five (It is addition only by one the [sunu-zu] function) time alarms and time signals.
• Battery indicator display
• Power saving function (The needling is stopped when the fixed time passes in the dark place and save electricity) date and the display on a day of the week.
• Full auto calendar
• System display switch of 12/24 time
• LED light)(with full auto light and afterlight function
• Driving time in the state without the solar power generation since the full charge: At the function use: For about six months/power saving: About 20 months. - When the electric wave reception is not done, it operates by usual quartz accuracy (within ±15 seconds of monthly difference ).
• Size (H×W×D)/mass: 52.5×49.8×15.5mm/82g