Casio - G-Shock - G-Aviation - Blue - GW3000BD-1ACR-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. Black stainless steel band with blue face. Tough Solar Power - Multi-Band 6 Atomic Timekeeping - Tough Movement - Centrifugal Force Resistance surpassing 12G - 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. * Multi-Band Atomic Timekeeping (US, UK, Germany, Japan, China) - Receives time calibration radio signals which keep the displayed time accurate - Auto receive function (up to 6 times per day/up to 5 times per day for China) - Manual receive function - Signal: US WWVB, UK MSF, Germany DCF77, Japan JJY40/JJY60, China BPC - Frequency: US 60kHz, UK 60kHz, Germany 77.5kHz, Japan 40/60kHz, BPC 68.5kHz - Tough Solar Power - Shock Resistant - Tough Movement - Auto hand home position correction - 200M Water Resistant - Neo-brite luminous hands and markers - World Time - 29 times zones (29 cities + UTC), city code display, daylight saving on/off, home city/world time swapping) - Beeper Alarm - 1/100 second stopwatch, Measuring capacity: 00:23Æ59.99ö, Measuring modes: Elapsed time, split time - Full Auto Calendar (pre-programmed until the year 2099) - 12/24 Hour Formats - Accuracy: +/-15 seconds per month (with no signal calibration) - Storage Battery: Solar Rechargeable Battery - Low Battery Warning - Power Saving Function - Approx. Battery Life: 5 months on full charge (without further exposure to light) - Module: 5121 - Size of case/total weight: GW3000BD 52.5 x 49.8 x 15.5mm / 148g