Casio America Inc. announced the introduction of the GWRB3000 series to the G-Shock Gravitymaster line. Featuring three distinct models (GWRB3000, GWRB3000B and GWRB3000A), the collection draws inspiration from the immense power of jets piercing through the sonic wall, combining aviation-inspired design, advanced construction and innovative technology to withstand the demanding forces associated with high-speed flight.
Representing a new challenge from G-Shock, the Gravitymaster GWRB3000 series features “Tough MVT 2” (Tough Movement Version 2), which takes signature G-Shock durability to the next level. Along with hybrid mount construction, auto-hand home positioning and solar power, the movement now includes:
- Shock detection: Senses strong impacts and protects against them by correcting the hand position through a full rotation to ensure constant accuracy
- Magnetic field detection: Senses strong magnetic interference and pauses hand movement until the interference passes, resuming movement to the current, accurate time
To achieve its innovative dual-hollow structure, G-Shock applied topology optimization, a simulation method used to determine ideal structural forms based on stress conditions. By analyzing dropping shocks, centrifugal force and vibrations, engineers refined the design through repeated simulations to create a structure that combines a resin shock absorber with a metal protection case, delivering enhanced structural integrity while maintaining a lightweight, sophisticated design.
Every element of the new Gravitymaster has been purposefully designed, from its protective construction to its carefully selected materials. The GWRB3000 series features a carbon core guard structure utilizing carbon fiber-reinforced resin to protect the module while delivering enhanced durability and comfort.
The new Gravitymaster features a sapphire crystal with a nonreflective coating to reduce glare and enhance readability across various environments. A super-matte dial, created through advanced microfabrication technology, minimizes light reflection, while the in-dial solar design enables a solid dial surface without compromising power efficiency. The new Gravitymaster also incorporates carbon-neutral bio-based resin components, reflecting G-Shock’s continued efforts to integrate more sustainable materials into its designs.




