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Casio G-Shock Black Resin Strap Men's Watch GA100-1A4

Model Number: CSGA100-1A4CR
Web Code: 10553322

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Casio G-Shock Black Resin Strap Men's Watch GA100-1A4

Available online only

Delivery times vary by location. Most Marketplace items leave sellers' locations within 2 business days. Allow additional time for shipping.


Casio G-Shock Black Resin Strap Men's Watch GA100-1A4


• Shock Resistant

• 200M Water Resistant

• Anti-Magnetic Structure

• 1/1000th Second Stopwatch with Speed Indicator

• Shock Resistant

• Magnetic Resistant

• 200 Meter Water Resistant

• Auto LED Light with Afterglow

• World Time

• 29 times zones (48 cities + UTC), daylight saving on/off, home city/world time swapping

• 4 Daily Alarms and 1 Snooze Alarm

• Hourly Time Signal

• 1/1000 Second Stopwatch

• Measuring capacity: 99:59'59.999"

• Measuring modes: Elapsed time, lap time, split time

• Others: Speed (0-1998 units/hour), Selection distance input (0.0-99.9)

• 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)

• Other: Auto-repeat

• Full Auto-Calendar (pre-programmed until the year 2099)

• 12/24 Hour Formats

• Accuracy: +/- 15 seconds per month

• Battery: CR1220

• Approx. battery life: 2 years

• Module 5081

Watch Style
Movement Type
Power Type
Battery Powered
Case Material
Black Resin
Case Shape
Case Colour
Band Material
Band Colour
Clasp Type
Calendar Type
Date, 1/1000th Second Stopwatch, Speed Indicator
Water Resistance
Water Resistance - Depth
200 m
Additional Functions
Day, Date, 1/1000th Second Stopwatch, Speed Indicator. Hourly Time Signal. Auto-Calendar. Daily Alarm. Countdown Timer. Backlight Auto LED light with afterglow. 12/24-Hour Formats. World Time 29 times zones (48 cities + UTC)., Hour, Minute, Second
  • CSGA100-1A4CR

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Shipping Cost

Seller offers free standard shipping on all orders above $100

**In the event that product is unavailable, you will be refunded within 48 business hours.

Large Item Scheduled Delivery (items heavier than 150lbs)

Delivery Method

Product will be delivered outside your home for all shipping areas.
Recycling of your old item(s) is not included with delivery.
Assembly of the delivered product is not included.

Returns can be made within 30 days of receiving your order.

Casio Canada / G-SHOCK Canada Restocking Fees / Return Eligibility
Category Return Period Un-opened Opened/Unused Opened/Used
Watches  30 Days 0% 0% 0%
Smartwatches 30 Days 0% 0% 0%

Must be unassembled and still in the original packaging. All returned products must include original packaging.

Return shipping costs will be paid by the seller for all cases where the product is defective, damaged or incorrect. For other cases (e.g. you changed your mind), you will be responsible for this cost.

To request a return

Please contact the seller directly from your Order details page, and provide the following information:

  • Web ID (8-digit number) & product description
  • Number of items to be returned
  • Date you recieved your product
  • Condition of product
  • Condition of packaging
  • Reason for return

All refunds will be processed within 1 Day