CASIO · JAPANESE-MARKET REFERENCE

GST-B1000D-2AJF

Name: GST-B1000D-2AJF
Brand: CASIO
SKU: GST-B1000D-2AJF
Price: 69140.0 JPY
Availability: OutOfStock

¥69,140 JPY

Sale Sold out

Taxes included. Shipping calculated at checkout.

CASIO GST-B1000D-2AJF is a Japanese-market reference. The bio-based carbon / stainless steel case and bezel are paired with a solid stainless steel band. Tough Solar (solar charging system). Features include shock resistance, Carbon Core Guard construction and Bluetooth smartphone connectivity. Listed water resistance: 20-bar water resistance.

Reference: GST-B1000D-2AJF
Case (H × W × D): 46.9 × 44.2 × 11.6 mm
Weight: 118 g
Listed water resistance: 20-bar water resistance

🎉 Buy 2 Watches, Get 20% Off One
Choose any 2 watches and receive 20% off the lower-priced watch. All products are eligible. The offer applies to one watch per order.

🚚 Get Extra Savings to Help Cover Shipping
Spend ¥35,000 (Approximately $225 USD | €198 EUR) or more after product discounts and receive an additional ¥3,000 (Approximately $20 USD | €18 EUR) off your order subtotal.

Both offers can be combined and are applied automatically at checkout. No code needed.

The qualifying subtotal excludes shipping and taxes. The qualifying amount and discount are based on Japanese yen. Amounts shown in your selected currency may vary with exchange rates.

Before & after your purchase

Read our shipping and return information before ordering. Model-specific warranty and repair guidance is available below.

Buying from Japan Size & function guide

Setup & support

Model reference: GST-B1000D-2AJF

Search the official manual using this model or the module number on your watch.

Find the official CASIO manual

Before you choose

Warranty & service

Local warranty service outside Japan is not guaranteed. Read our return and repair policy and ask about your exact reference before ordering.

Bracelet fit & adjustments

Check the case dimensions and band details in the specifications. Ask us about fit, included links and adjustment options before placing an order.

Packaging & included items

Included items can vary by reference. Contact us with the model number to confirm the box, documents and accessories.

Ask about this reference

Order help & returns

Customs Duties & Shipping Return and Repair Read the FAQ

Product details

Model: GST-B1000D-2AJF
JAN / EAN: 4549526411816
Intended use: Unisex wristwatch
Band material: Solid stainless steel band; one-touch three-fold clasp
Crystal material: Mineral glass
Weight: 118 g
Case size (L × W × H): 46.9 × 44.2 × 11.6 mm
Price: ¥69,140 JPY
Country of origin: JP

Specifications

Release date	November 2025
Japan MSRP	Japan MSRP: ¥66,000 (including Japanese tax)
Case size (H × W × D)	46.9 × 44.2 × 11.6 mm
Weight	118 g
Case and bezel material	Bio-based carbon / stainless steel
Band	Solid stainless steel band; one-touch three-fold clasp
Construction	Shock resistant; Carbon Core Guard structure
Water resistance	20-bar water resistance
Time adjustment	Bluetooth: connects to a smartphone for automatic time adjustment
Power supply and battery life	Tough Solar (solar charging system)

Exterior details

Glass	Mineral glass
Crown	Screw-lock crown
Compatible wrist size	150–205mm
Other features	Neobrite

Watch functions

Mobile Link	Mobile Link: linked functions via Bluetooth communication with a compatible phone
App	Compatible with CASIO WATCHES
App features	Automatic time adjustment; easy watch settings; Time & Place; phone finder
Stopwatch	Stopwatch: 1 second, 30-minute capacity
Timer	Countdown timer: 1-minute setting increments, maximum 30 minutes, 1-second measurement
Alarm	Daily alarm
Light	LED light: Super Illuminator, afterglow
Light color	LED: white
Calendar	Full auto-calendar
Power saving	Power saving: stops the hands after a period in the dark
Battery indicator and alerts	Battery charge warning
Operating time	Operating time from a full charge without further solar charging
With normal functions in use: approximately 5 months
In power-saving mode: approximately 18 months
Accuracy	Without smartphone connection, the watch operates at normal quartz accuracy (±15 seconds per month).
Other features	Date and day display