The GST-B100D-1AER features advanced G-Steel engineering, boasting a striking design with a rotating disc dial inspired by jet engine blades. This smartwatch combines multiple functionalities including world time, an analogue chronograph, and Bluetooth connectivity for accurate time synchronization with smartphones. Its Tough Solar technology ensures reliable performance while highbrightness LED illumination enhances visibility in various lighting conditions. With a robust construction and water resistance up to 200 meters, this watch is perfect for style-savvy adventurers.
From the brand: The GST-B100D-1AER combines G-Steel engineering with distinctive design elements. Its rotating disc dial at 9 o'clock features jet engine blade motifs, driven by dual-coil motor technology that merges form with function. The analogue chronograph integrates multiple utilities—alarm control, stopwatch operation, and battery status indication—within a refined module architecture. Advanced layer guard construction and high-density mounting reduce overall dimensions without compromising durability. Bluetooth connectivity synchronises time via smartphone for precision timekeeping, whilst Tough Solar technology ensures consistent performance. Additional features include world time functionality across dual dials and high-brightness LED illumination for enhanced visibility in varied lighting conditions.
We are a Casio UK authorised dealer
New boxed stock with full retail boxes & paperwork
Basic Information
Case size (L× W× H)
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58.1 × 53.8 × 14.1 mm
Weight
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185 g
Case and bezel material
Resin / Stainless steel
Band
Solid Band
Stainless Steel Band
One-touch 3-fold Clasp
Construction
Shock Resistant
Water resistance
200-metre water resistance
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
Phone finder
Exterior
Glass
Mineral Glass
Crown
Screw Lock Crown
Other
Neobrite
Watch Features
World time
Dual time (Home city time swapping)
Stopwatch
1-second stopwatch
Measuring capacity: 23:59'59
Measuring mode: split time
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)
24 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 (dual time hour and minute, dual time 24-hour, day)
Date display
Day indicator
