Casio G-Shock FULL METAL GMW-B5000 Series - GMWB5000D-1

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The DW-5000C is the original G-SHOCK model from 1983. 
The GMW-B5000 Series has inherited its characteristic 
square design and been given the full metal treatment 
along with upgraded features including smartphone linking.
 
The watch has been given a full-metal case by using a shock-
resistant fine resin cushioning material inserted between the case 
and the sturdy stainless steel metal bezel. High-density mounting 
technology also allows the watch to maintain its size.

The back of the watch features a solid Screw Lock Back and has been
DLC treated for resistance to wear. The metal band has been dimple
processed, inheriting the Resin Band design of the original. 

Visibility too has been enhanced via use of a film solar cell 
and STN-LCD (liquid crystal). 

Function-wise, this model comes with Bluetooth® communications 
and can link with a dedicated app to obtain precise time information. 
The watch is also packed with practical features including a time 
correction system that uses standard time and frequency signals
(Multi-Band 6), a reliable source of power in the form of Tough Solar
technology, high-luminance Full Auto LED backlighting, World Time
and day of the week display in six languages. 

This is a G-SHOCK model that stays true to its predecessor while 
undergoing further refinement through the application of a full-metal
design.

Basic Information
Case size (L× W× H): 49.3 × 43.2 × 13 mm
Weight: 167 g
Case & bezel material: Stainless steel
Band: Solid Band
Stainless Steel Band: One-touch 3-fold Clasp
Construction: Shock Resistant
Water resistance: 200-meter water resistance
Time adjustment: Radio-controlled Watch; Multi band 6
Power supply and battery life: Tough Solar (Solar powered)

Smartphone Link / App Connectivity Features
Smartphone Link feature: Mobile link (Wireless linking using Bluetooth®)
Apps: CASIO WATCHES

Exterior
Glass: Mineral Glass
Back plate: Screw Lock Back

World time
5 World time
39 time zones (39 cities +coordinated universal time), daylight saving on/off, 
Home city/World time city swapping, auto summer time (DST) switching

Stopwatch
1/100-second stopwatch
Measuring capacity: 00'00''00~59'59''99 (for the first 60 minutes)
1:00'00~23:59'59 (after 60 minutes)
Measuring unit: 1/100 second (for the first 60 minutes)
1 second (after 60 minutes)
Measuring modes: Elapsed time, split time, 1st-2nd place times

Timer
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)

Alarm/hourly time signal
5 daily alarms (with 1 snooze alarm)
Hourly time signal

Light
LED backlight (Super illuminator)
Full auto LED light, selectable illumination duration 
(2 seconds or 4 seconds), afterglow

Light color
LED:White

Calendar
Full auto-calendar (to year 2099)

Mute feature
Button operation tone on/off

Energy saving feature
Power Saving (display goes blank to save power when the watch 
is left in the dark)

Battery display / alert
Low battery alert

Run time
Approx. battery operating time:
10 months on rechargeable battery (operation period with normal use without 
exposure to light after charge)22 months on rechargeable battery (operation 
period when stored in total darkness with the power save function on after 
full charge)

Accuracy
Accuracy: ±15 seconds per month (with no signal calibration and mobile link function)

Other features
12/24-hour format
Date/month display swapping
Day display (days of the week selectable in six languages)
Regular timekeeping:
Hour, minute, second, pm, month, date, day

Time adjustment details
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
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