SKU: 55786387293

Casio G-Shock Gravitymaster GR-B300-8A2 Black Dial 55mm Bio-Based Resin Men's Watch

Sale price$375.75 Regular price$417.50
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Ships within 48 hours · Estimated delivery Jul 14 - Jul 19

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Description

Casio G-Shock Gravitymaster GR-B300-8A2 Black Dial 55mm Bio-Based Resin Men's WatchThe Casio G Shock GR B300 8A2 is a professional grade aviation timepiece from the "Master of G" Air series, released in May 2024. Its design is inspired by the organic, flowing lines of next generation aircraft and fighter jets, featuring a seamless exterior that connects the case to the band for a cutting edge look. This model utilizes a Carbon Core Guard structure with a carbon fiber reinforced resin case, a material also found in aircraft

The Casio G-Shock GR-B300-8A2 is a professional-grade aviation timepiece from the "Master of G" Air series, released in May 2024. Its design is inspired by the organic, flowing lines of next-generation aircraft and fighter jets, featuring a seamless exterior that connects the case to the band for a cutting-edge look. This model utilizes a Carbon Core Guard structure with a carbon fiber-reinforced resin case, a material also found in aircraft fuselages, providing extreme shock resistance, rigidity, and corrosion resistance.The watch is equipped with a high-contrast 3D face design for intuitive reading, featuring a triple-layer dial with a rotary disc indicator at the 9 o'clock position. This indicator is driven by a dual-coil motor to smoothly display battery levels, alarm status, and stopwatch modes. For pilots and frequent travelers, it offers Dual Time to display two time zones simultaneously and a specialized Flight Log function to record coordinates and routes via the CASIO WATCHES app. True to G-Shock’s sustainability efforts, the case, bezel, and band are crafted from bio-based resin.

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 55786387293

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Addison Cates
Port Orchard, US
★★★★★ 5
Keep plastic out of your brain
Style: Boka 3.0
Keep the plastic out of your gums and thus out of your bloodstream, and even your brain. It has been prove that plastics pass the blood brain barrier an deposit into your brain. Help slow that down with this toothbrush.
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Reviewed in the United States on May 24, 2026
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Buyer
Waukegan, US
★★★★★ 5
great
Style: Boka 3.0
Very high quality toothbrush and with the boka tooth paste makes my teeth feel clean
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Reviewed in the United States on February 16, 2026
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JewelAnne
Massapequa, US
★★★★★ 4
Love this
Style: Boka 3.0
Love the style and quality, but wish the charging station was more secure.
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Reviewed in the United States on December 29, 2025
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Amabell
Lake Worth, US
★★★★★ 5
I would recommend
Style: Boka 3.0
Bought this toothbrush for my for my daughter. She loved it. Said it makes her teeth feel clean.
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Reviewed in the United States on March 8, 2026
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brynn
Lexington, US
★★★★★ 5
Decent
Style: Boka 3.0
Not sure why there’s so many settings I just use the clean one lol but pretty nice battery lasts about a month. Kind of loud but the bristles are soft and nice.
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Reviewed in the United States on March 3, 2026

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