G-Shock is synonymous with toughness and along with it, thickness. It is a tradeoff that has become a recognizable design feature of G-Shock, even on the classier G-Steel line.

Casio G-Shock G-Steel GSTB400-1A Watch

Speaking of G-Steel, the thickness is gone with the recently revealed G-Shock G-Steel GSTB400-1A. It is the brand’s slimmest G-Steel yet at mere 12.9 mm thin.

At a glance, it looks just like any newer G-Steel. But in reality, it actually has a more upscale look – thanks to the slimmer profile as well as the five different finishes on the top bezel and four finishes on the middle bezel, and the classy textured, black resin band.

The multiple finishes create an elegant effect that changes in appearances of the texture depending on the angle of view.

The new found thin profile is made possible by the thinning of the parts that make up the inner module and doing so without sacrificing any of its technical functions and the key component of its tough built: ultra-tough Carbon Core Guard structure.

Casio G-Shock G-Steel GSTB400-1A Watch

Rounding up the design feature are polished stainless buttons and a multi-layer vapor deposition-treated dial for an enhanced metallic texture.

The new G-Steel further features up-to-date functions, including Tough Solar Power and Bluetooth technology which lets it pair to a smartphone via G-Shock Connected App to enable automatic time adjustment, phone finder, and world time for over 300 cities.

Casio G-Shock G-Steel GSTB400-1A Watch

Other standard features include water resistance to 200 meters (20 ATM or about 680 feet), Super Illuminator Double LED Light, dual time display, 1/1sec timer, 1/100th sec. stopwatch, 5 daily alarms, hand retract function and full auto calendar.

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The Casio G-Shock G-Steel GSTB400-1A Watch will sell for US$320 when it becomes available in mid-May at select G-Shock retailers, the G-Shock Soho Store and Gshock.com.

Images: Casio.

Published by Mike

Avid tech enthusiast, gadget lover, marketing critic and most importantly, love to reason and talk.