Casio G-SHOCK G-STEEL GST-B400D-1AJF Analog-Digital Watch
Casio G-SHOCK G-STEEL GST-B400D-1AJF Analog-Digital Watch
The Casio G-SHOCK G-STEEL GST-B400D-1AJF is a Japanese-market stainless-steel watch from Casio’s G-STEEL collection. It combines an analog-digital display with Tough Solar power, Bluetooth Mobile Link, a slim 12.9 mm profile, and G-SHOCK shock resistance.
The watch uses Casio module 5657 and features a Carbon Core Guard structure, mineral glass, and a solid stainless-steel bracelet with a one-touch three-fold clasp. Its functions include world time, stopwatch, countdown timer, five daily alarms, full auto-calendar, double LED illumination, hand shift, and power saving.
Bluetooth connectivity works with the CASIO WATCHES app for automatic time adjustment, watch settings, world time, phone finding, and time-and-place logging. The watch is rated to 20 bar water resistance and offers approximately seven months of operation without further light exposure, or approximately 18 months with power saving enabled in darkness.
Key Features
Tough Solar quartz movement with Casio module 5657
Bluetooth Mobile Link with CASIO WATCHES app
Carbon Core Guard shock-resistant structure
Stainless-steel case components and solid stainless-steel bracelet
Mineral glass and 20 bar water resistance
Analog-digital display with hand shift function
World time, stopwatch, timer, five alarms, and full auto-calendar
Double LED Super Illuminator with selectable lighting duration
Specifications
Specification | Details |
Brand | Casio |
Model / Reference | GST-B400D-1AJF |
Collection / Series | G-SHOCK G-STEEL |
Movement | Casio module 5657 |
Caliber | 5657 |
Movement Type | Tough Solar quartz |
Case Material | Resin and stainless steel |
Case Diameter | 46.6 mm case width |
Case Thickness | 12.9 mm |
Crystal | Mineral glass |
Bracelet / Strap | Solid stainless-steel bracelet |
Clasp / Buckle | One-touch three-fold clasp |
Water Resistance | 20 bar / 200 m |
Functions | Bluetooth Mobile Link, world time, 1/100-second stopwatch, 60-minute countdown timer, five daily alarms, hourly time signal, full auto-calendar through 2099, double LED light, hand shift, power saving |
Power Reserve | Approximately 7 months without further light exposure; approximately 18 months in darkness with power saving enabled |
Accuracy | ±15 seconds per month without Mobile Link |
International Buyers – Import Duties Notice:
Be informed that import duties, taxes, and charges are not included in the item price or shipping cost. These are the buyer's responsibility.
All items are shipped via EMS Japan post or DHL fully insured signed for delivery. I wrap items very well and post very fast most items are posted within 3 days of purchase
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