Casio - G-Shock Full Metal Blue Dial - GMCB2100AD2A

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Introducing the full-metal chronograph addition to the continually evolving
2100 line of timepieces which inherit the legacy of the first-ever G-SHOCK, 
the DW5000C. 

We take it way back with the octagonal bezel and dimpled band design of
the original from 1983, but all done in metal with stainless-steel case, 
bezel, and band. 

Buffering components made of fine resin are installed between the bezel 
and the case for a shock-resistant structure with a full-metal exterior. 
The bezel formed three-dimensionally in a time-consuming forging, cutting, 
and polishing process — is finished beautifully with a circular hairline
 treatment on the top surface and mirror polish on the slopes. 

The delicate molding and vapor deposition of Casio ultra-precision processing
 technologies add sophistication and quality to the indexes and inset dial rings. 

The screw-lock crown is designed in the same octagonal shape as the bezel for 
a more compact case with no sacrifice in outstanding G-SHOCK shock resistance. 

High-density mounting keeps the module slim, while still providing the advanced 
functions you love in a compact profile and comfortable fit. 

Pairs with a smartphone via Bluetooth®. Simply tap into the dedicated app for p
recision timekeeping that keeps you on track. With Tough Solar, a high-brightness 
LED light, and a range of other convenient functions, this is a timepiece that 
delivers both superior style and practical utility.

Multi-hand dial exuding functional beauty
The dial features an effective 6-9-12 inset dial layout. The mirror finish applied 
to the hands and the grind-polished indexes add further refinement. The inset
dial ring at the 9 o’clock position features a design motif inspired by the iconic
octagonal bezel of 2100 Style watches. For the GMCB2100AD, light blue vapor
deposition is applied across the surface of the dial for a fresh, crisp look.

Sophisticated metal form created with precision crafting
Undergoing multiple meticulous processes of forging, cutting, and polishing, the bezel 
and case are precisely crafted down to the intricately shaped back, which is the key 
to the precision fit. The bezel shines with an attractive circular hairline finish 
on its top surface. The band, which reproduces the dimpling of the very first G-SHOCK 
band, but now in metal, offers enhanced textures by using differentiated hairline and 
mirror finishes.

Full metal shock-resistant structure: Delivering both strength and beauty
The watch is guarded by a full metal exterior, with stainless steel material used for 
the bezel, case, and band. Fine resin buffering components are installed between the 
bezel and case to help absorb impacts to the module. Additionally, a three-pronged 
structure is employed for the lugs on the case to disperse shock to the connective 
part of the band.

Slim design achieved with high-density mounting
Employing a slim module, the watch maintains the same sense of size as the previous 
GMB2100 while offering a multi-hand dial, wider range of functions, and full-metal 
construction. While delivering high utility with Smartphone Link and solar-powered 
functionality, the GMCB2100 offers a comfortable fit on the wrist, as well.

Octagonal screw-lock crown for a powerful sense of presence
The side of the case is fitted with a crown to complement the fully analog face design. 
The crown features a screw-lock construction and the same octagonal shape as the bezel, 
adding a powerful sense of presence to the full-metal form of the watch. This original 
structure delivers a more compact form while maintaining the same shock resistance.

Basic Information
Case size (L× W× H): 51.3 × 46.3 × 12.4 mm
Weight: 171 g
Case and bezel material: Stainless steel
Band: Stainless Steel Band
One-touch 3-fold Clasp
Construction: Shock Resistant
Water resistance: 200-meters 
Time adjustment
Bluetooth: Connects to a smartphone and automatically adjusts the time
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
App connectivity feature
Auto time adjustment
Easy watch setting
Approximately 300 world time cities
Flight log
Phone finder

Exterior 
Glass: Mineral Glass
Crown: Screw Lock Crown
Compatible band size: 150 to 205 mm
Other: Neobrite

Watch Features 
World time
Dual time (Home City time swapping)
Stopwatch
1-second stopwatch
Measuring capacity: 23:59'59.
Measuring modes: Elapsed time, split time
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
Daily alarm
Light
LED light (Super Illuminator)
Afterglow
Light color
LED:White
Calendar
Full auto-calendar (to year 2099)
Energy saving feature
Power Saving (hands stop to save power when the watch is left in the dark)
Battery display/alert
Battery level indicator
Run time
Approx. battery operating time:
5 months on rechargeable battery (operation period with normal use without 
exposure to light after charge)
18 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 mobile link function)
Other features
Regular timekeeping:
Analog: 3 hands (hour, minute (hand moves every 10 seconds), second),
3 dials (mode and battery, dual time/stopwatch/countdown timer/alarm
hour and minute, day)
Day indicator
Regular timekeeping:
Analog: 3 hands (hour, minute (hand moves every 10 seconds), second), 3 dials 
(dual time hour and minute, dual time 24-hour, day)