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[G-Shock G-Steel] GST-B400 — Superior Strength and Classic look

Own an analog-digital watch with superior strength and classy looks from the GST-B400D-1A! One of the G-STEEL range with this slim shell, it has been equipped with a carbon core guard structure that makes it highly impact resistant, as well as a bezel with five different finishes to give an unusual elegant effect on each side. Promoting a thinner design but not sacrificing a myriad of advanced features in a silver shell with precise details, and adopting a tough carbon core structure, these two G-SHOCKs from the GST-B400 lineup will never let you down!

GST-B400 Profile
Average Amazon Price: $320
(yes, we may earn a commission on qualifying purchases from our links to Amazon). Check the Price on Amazon →
Year of first release: 2021
Lineup: G-STEEL (G-Steel are refined watches and combine high-quality materials with G-Shock’s standard of toughness. Its layered guard structure boasts a double-layer bezel construction of stainless steel and resin or resin and fine resin which delivers the hard, sleek beauty of metal while retaining the impact absorption of resin.) All G-Shock G-Steel Watches →
Best for: TeenagersOffice and Formal WearSmall Wrists
The most distinctive specs:
— The Slimmest-Ever G-STEEL as for 2021 (it features a new, improved module built to deliver slimness)
— Beautiful battery level indicator at 9 o’clock (displays the mode, battery level and more)
— Vapor deposition-treated dials (for highly chromogenic and distinctive coloration)
— Tough Solar (CASIO’s original solar-charging system converts not only sunlight but also light from fluorescent lamps and other sources into power)
— G-SHOCK Connected App (you may manage all watch settings through your phone)
Other colors and full specs: GST-B400 Wiki Page
Only Limited Editions: GST-B400 Limited Editions

G-Shock GST-B400 Rating System

Battery Years★★★★★
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