Watchatlas

Casio G-Shock

Tokyo, Japan · Est. 1983

Founded by Kikuo Ibe

The Casio G-Shock was launched in 1983 by engineer Kikuo Ibe with the goal of creating an indestructible watch, resulting in the iconic DW-5000C that could survive a ten-metre drop. The G-Shock line has since expanded to hundreds of models and collaborations, becoming one of the best-selling watch families in history.

Founded
1983
Headquarters
Tokyo, Japan
Group
Other
Price Segment
Entry
Status
Active

Key Collections

  • MR-G — G-SHOCK’s flagship full-metal line, positioned by Casio as the most premium expression of the brand with advanced materials, artisanal finishing, and a strong emphasis on Japanese craftsmanship.
  • MT-G — Metal Twisted G-SHOCK collection that blends stainless steel with resin or carbon-reinforced structures for premium toughness, refined finishing, and the brand’s signature shock resistance.
  • Frogman — G-SHOCK’s professional dive-watch family, built around ISO 200-meter water resistance and a long-running underwater tool-watch identity that Casio describes as the Frogman collection.
  • Casioak (GA-2100) — The octagonal GA-2100 family from G-SHOCK, nicknamed Casioak by enthusiasts for its Royal Oak-like bezel shape, and presented by Casio as the slim 2100 series with the brand’s shock-resistant structure.

Timeline

  • 1981 — Casio engineer Kikuo Ibe drops his father's watch and begins the 'Project Team Tough' to create an unbreakable watch.
  • 1983 — The first G-Shock, the DW-5000C, launches with the Triple 10 concept: 10m drop, 10 bar, 10-year battery.
  • 1994 — First Frogman (DW-6300) launches, establishing G-Shock as a serious tool watch for divers.
  • 1996 — MR-G line debuts as the premium full-metal G-Shock, introducing titanium construction.
  • 2017 — G-Shock Connected app launches, adding Bluetooth smartphone link across the range.
  • 2019 — GA-2100 'CasiOak' launches, becoming one of the best-selling G-Shock models ever.
  • 2026 — Over 30 new releases announced for 2026 including Summer Resort collection with polarized vapor deposition glass.

Frequently Asked Questions about Casio G-Shock

What makes G-Shock so tough?
A hollow case structure with the module floating inside on cushioning material absorbs shocks. Combined with resin construction and screw-back cases, it exceeds military durability standards.
Is G-Shock a separate brand from Casio?
No. G-Shock is a product line within Casio, though it has its own identity, marketing, and dedicated fan community.
Who created G-Shock?
G-Shock was created by Casio engineer Kikuo Ibe, who in 1981 set out to build a watch that could survive a 10-metre drop. After over 200 prototypes and two years of development, the first G-Shock (DW-5000C) was released in April 1983, featuring a hollow case structure that cushioned the module inside.

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