Mobile link (Wireless linking using Bluetooth®)
Dual time (Home city time swapping)
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)
Daily alarm
Battery level indicator
Power Saving (hands stop to save power when the watch is left in the dark)
Full auto-calendar (to year 2099)
Date display
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)
Accuracy: ±15 seconds per month (with no mobile link function)
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)
module 5513
Size of case / total weight
GST-B100D 58.1 x 53.8 x 14.1 mm / 185 g
GST-B100 58.1 x 53.8 x 14.1 mm / 101 g

Free standard shipping on orders over $149.
Standard shipping on orders under $149 is $20.
Express (1-3 business days) shipping is available for $30.
G-Shock makes no guarantee on the delivery estimates listed here.
Orders valued over $249 will require a signature for delivery.
Orders placed after 2:30pm PST will leave our warehouse the next business day.
Orders placed on weekends or after 2:30pm PST on Friday leave our warehouse on Monday or the next business day during long weekends (BC, Canada long weekend schedule).
Deliveries are made on weekdays only.
Orders are shipped from Vancouver using Fedex. Please see the table below for standard shipping delivery estimates to major Canadian cities.
Orders to be shipped to reshipping services will not be accepted.
G-Shock Canada is not responsible for lost or damaged shipments not covered by Worry-Free Delivery.

We deduct shipping label costs on returns, from the total product refund. If your return amount is less than the cost of the shipping label an invoice will be emailed to you. Please note that only the cost of the original item is refundable.

If you received an incorrect item or would like to make a warranty claim on a purchase from gshock.ca please contact us directly.

No returns/refunds after 30 days.

In person returns will not be accepted. Returns must be shipped using our return portal.

We guarantee all merchandise purchased through gshock.ca.

Returned watches must be in new/unworn condition and all packaging must be included to be accepted as a return.

All sale items are final sale.

Please note that we do not do exchanges. It is easier and faster to just return the item to us and place a new order at your convenience.

Free/Gift with purchase items not included inside your return shipment will have their value deducted from your return total.

Excessive abuse of our returns will receive a $10 restocking fee per item returned or refusal of further orders.

Click here to begin a return.

Frequently asked questions about returns, refunds, and exchanges.

How do I return?

Visit our returns center
Enter your order number and email address to start
Follow the instructions and select the items you want to return
Once your request is approved, you will get a confirmation email with shipping guidelines

What items are returnable?

Within 30 days from the date of purchase
In unused and resellable condition
In the original packaging with all the tags intact

What items are non-refundable?

The following items cannot be returned:

Gift cards
Discounted items (if applicable)

The item I received is damaged!

If the purchased product is faulty, reach out to us within 7 days of the delivered date.

Can the items be exchanged?

Please note that we do not do exchanges. It is easier and faster to just return the item to us and place a new order at your convenience.

What are the refund options?

The following refund options are supported:

Refund to the original payment method

How do I ship back the items?

For instructions on how to ship the returned products, refer to the email received after placing the return request.

How soon will I get my refund?

Once your returned item is received and inspected, you will be notified via an email. You will also be informed about the approval or rejection of your refund request. If approved, the refund request will be processed within 5 - 7 working days after approval. Free/Gift with purchase items not included inside your return shipment will have their value deducted from your return total.