GW6900NASA241

Continuing the celebration of Casio's 50th watch anniversary comes the GW6900NASA241. This fifth installment of NASA-themed timepieces commemorates Casio's five decades of historic watchmaking while showcasing its ongoing pursuit of innovation and discovery. With space exploration relying on the principles of physics and mathematics, Casio's commitment to accurate timekeeping and advanced engineering mirror those endeavors. Drawing inspiration from Casio's iconic calculators, the GW6900NASA241 seamlessly blends nostalgia with modern design. This timepiece underscores Casio's rich history of innovation in electronics and its influence on contemporary watchmaking.

• Resin
• Resin Band
• 200-meter water resistance
• Shock Resistant
• Mineral Glass
• Digital
• MEN'S
• Radio-controlled Watch; Multi band 6
• Tough Solar (Solar powered)
• World time
• 31 time zones (48 cities + coordinated universal time)
• city code display
• daylight saving on/off
• 1/100-second stopwatch
• Measuring capacity: 23:59'59.99''
• Measuring modes: Elapsed time
• split time
• 1st-2nd place times
• 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 alarms (4 alarms and 1 snooze alarm)
• Hourly time signal
• Electro-luminescent backlight
• Full auto EL light
• afterglow
• Full auto-calendar (to year 2099)
• Button operation tone on/off
• Power Saving (display goes blank to save power when the watch is left in the dark)
• Battery level indicator
• Approx. battery operating time:
• 9 months on rechargeable battery (operation period with normal use without exposure to light after charge)
• 26 months on rechargeable battery (operation period when stored in total darkness with the power save function on after full charge)
• Accuracy: ±15 seconds per month (with no signal calibration)
• 12/24-hour format
• Regular timekeeping:
• Hour
• minute
• second
• pm
• month
• date
• day
• 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)
• 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
• 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
• Manual receive
• The latest signal reception results