Casio to Release MR-G Inspired by Specially Crafted 40th Anniversary Kabuto Helmet

TOKYO, October 19, 2023 — Casio Computer Co., Ltd. announced today the release of a new addition to the MR-G series, the flagship line of the G-SHOCK brand of shock-resistant watches, to celebrate the 40th anniversary of the G-SHOCK brand. Honoring the Shougeki-Maru: Gai kabuto helmet, the MRG-B2000SG features the helmet’s maedate crest with a tiger pattern and evokes white ito odoshi,¹ which signifies the strong determination of a samurai warrior who stays true to their own convictions. This very special timepiece is offered in a limited edition of only 700 pieces worldwide.
1. Overlaying plates of armor bound together with white string.

Based on the concept of delivering “the ultimate in toughness-driven watches,” the MR-G line is the pinnacle of the G-SHOCK brand, meticulously crafted down to the smallest detail and incorporating state-of-the-art technology and master metalworking techniques. This symbolism of strength and functional beauty is equally true of the samurai warrior’s kabuto helmet, and Casio superimposed the two to create an original kabuto helmet, the Shougeki-Maru: Gai, specifically to commemorate the 40th anniversary of the G-SHOCK brand.

In its shock-resistant construction, the MRG-B2000SG embodies the Shougeki-Maru: Gai helmet’s bold determination and features a white band complemented with a bezel engraved by a master metalsmith.

The bezel captures the helmet’s maedate crest with a ferocious tiger design, a symbol of strength, engraved by metalsmith KOBAYASHI Masao. The tiger stripes are expressed in a unique rock-grain relief pattern² that varies in size and shape.

The pure white band evokes the look of the white ito odoshi of the helmet, representing a pure, unadulterated hue and incorporating a sense of bold determination, the will to be true to oneself. The band is made with fluor rubber, providing flexible fit on the wrist, excellent durability and stain resistance.

The case, made with titanium material, is ion-plated in a dark silver color and finished with a deep-layer hardening process to increase the hardness and bring out the crystalline pattern. These finishes give the watch a rugged look, while reproducing the color of the helmet. The metal plate commemorating the G-SHOCK 40th anniversary on the side of the case, and the screw heads set with rubies, the gem of passion and success, add special touches befitting a special commemorative timepiece.
2. The rock-grain relief pattern is crafted by chiseling indentations into the metal surface.

■ Metalsmith KOBAYASHI Masao
Third-generation metal craftsman working in Shiga Prefecture’s city of Otsu. Active as a metal engraver as well, with experience studying engraving in Kyoto. Works with a wide range of decorative metal crafts, including crafting shrine and temple fixtures, restoring historic cultural assets, crafting tea ceremony implements and engaging in artistic craftwork. One of Japan’s premier artisanal metalworkers.

■ Helmet/armor maker SUZUKINE Yuzan
Fourth-generation craftsman of an armor and helmet making workshop that has been active for more than a century. Awarded the Prime Minister’s Special Prize at the All-Japan Newly Crafted Seasonal Festival Doll Contest. Dedicated to traveling throughout Japan whenever he has the chance, examining collections of armor and helmets in person to hone his knowledge of the craft.

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