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THE JASON RETURNS

G-ShockOwned and Unboxed
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Shows the time in cities or time zones around the world. A second clock alone does not count.

G‑Shock G‑B001MVA Jason

I had wanted a Jason for years. I unboxed the black‑and‑red G‑B001MVA‑1 in my JPfans video. Its smoky outer bezel lifts off to reveal a metal bezel underneath. These are my first impressions, not a full wear review.

Best for:Collectors who like the round Jason design and a removable outer bezel
Not ideal if:You want a slim watch or a screen that is easy to read in all light. I found the dark screen hard to read during the unboxing.
Check ListingsWatch Unboxing

The shopping link opens search results, which may include other watches. Check the full G-B001MVA-1 model number and what comes with it. The metal bezel sits under the removable resin bezel. It is not a separate spare part in the box.

Shopping links may earn a commission at no extra cost to you.

Case size50.3 × 47 × 18.7 mm
Weight75 g
Water Resistance200 m
Rating Guide
BatteryCR2016(Approx. 3 Years)

From My Unboxing

My First Impressions

I opened and tried this watch in my JPfans video. A full wear review and score are still to come.

What Caught My Eye

  • The round case has the Jason look I had wanted for years.
  • Taking off the smoky resin bezel reveals a different look in metal.
  • Red strap details stand out against the dark case.

What to Check

  • The dark screen was hard to read in some light.
  • At 18.7 mm thick, this is not a slim watch.
  • I have not added a full wear review or score yet.

Source: Casio G-B001MVA-1 Specifications. Official specifications checked on 12 October 2026. My video covers the unboxing and first wrist check.

JPfans funded the purchases for this video. The first impressions here are my own.

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My JPfans video with the Jason and Glacier G-Shocks

Watch With GOAT Reviews

Two G-Shocks From Japan

See the Jason and Glacier out of the box. I try both on my wrist, remove the Jason’s outer bezel and change the Glacier’s battery. This is an unboxing, not a full wear review.

Watch My JPfans Unboxing

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