Casio G-Shock Tough Solar Blue Surfers Watch GWX-8900D-2 GWX8900D

Specifications:

G-LIDE surfers and extreme sports enthusiasts collection
Wave Ceptor
Mineral Glass
Shock Resistant
Tough Solar
200-meter water resistance
Case / bezel material: Resin / Aluminum
Resin Band
LED Backlight (Super Illuminator)
Full auto LED light selectable illumination duration afterglow
Solar powered
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
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
World time
31 time zones (48 cities + coordinated universal time) city code display daylight saving on/off
Moon data (moon age of the specific date moon phase graph)
Tide graph (tide level for specific date and time)
Preset tide sites: 100 (global)
1/100-second stopwatch
Measuring capacity: 59'59.99''
Measuring modes: Elapsed time split time 1st-2nd place times
2 countdown timers
Can be used during interval training that alternates between two different paces.
Measuring unit: 1 second
Input range: 00'05" to 99'55" (1-minute increments and 5-second increments)
Other: Number of repeats settable from 1 to 10
5 daily alarms (with 1 snooze alarm)
Hourly time signal
Battery power indicator
Power Saving (display goes blank to save power when the watch is left in the dark)
Full auto-calendar (to year 2099)
12/24-hour format
Button operation tone on/off
Regular timekeeping: Hour minute second pm month day day of the week

Accuracy: ±15 seconds per month (with no signal calibration)
Approx. battery operating time:
10 months on rechargeable battery (operation period with normal use without exposure to light after charge)
33 months on rechargeable battery (operation period when stored in total darkness with the power save function on after full charge)
Size of case: 55.1 × 52.5 × 16.3 mm
Total weight: 72 g
LED: White