SKU: 50052628173

Casio G-Shock Gravitymaster GR-B100GB-1A Analog-Digital Tough Solar Bluetooth Black and Gold 53.8mm Resin Strap Men's Watch

Sale price$236.25 Regular price$262.50
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Ships within 48 hours · Estimated delivery Jul 24 - Jul 29

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Description

Casio G-Shock Gravitymaster GR-B100GB-1A Analog-Digital Tough Solar Bluetooth Black and Gold 53.8mm Resin Strap Men's WatchThe Casio G Shock Gravitymaster GR B100GB 1A is a high performance aviation timepiece designed for pilots and those who demand precision in extreme conditions. Part of the specialized Master of G Air series, this model features a striking Black and Gold color scheme, with a gold ion plated stainless steel bezel adding a touch of luxury to its rugged, stealthy aesthetic. This watch is powered by Casio's Tough Solar technology, ensuring reliable

The Casio G-Shock Gravitymaster GR-B100GB-1A is a high-performance aviation timepiece designed for pilots and those who demand precision in extreme conditions. Part of the specialized Master of G - Air series, this model features a striking Black and Gold color scheme, with a gold ion-plated stainless steel bezel adding a touch of luxury to its rugged, stealthy aesthetic. This watch is powered by Casio's Tough Solar technology, ensuring reliable operation without the need for battery replacements. It features Bluetooth Smartphone Link capabilities, allowing it to connect to the G-SHOCK Connected app for automatic time adjustment, flight log recording, and easy watch setting. The large, aviation-inspired case measures 53.8mm in diameter and is built with a shock-resistant resin and stainless steel structure. The dial includes a high-resolution STN LCD display inspired by modern glass cockpits, providing clear visibility of flight data. Key functions include a flight log memory, World Time (39 cities), a 1/1000-second stopwatch, countdown timer, and 5 multi-function alarms. Protected by Mineral Glass and illuminated by a Double LED light (Super Illuminator), the GR-B100GB-1A offers a water resistance rating of 200 meters (20 Bar), making it a tough and sophisticated tool for any adventure.

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
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Exchange/Return Notes
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SKU: 50052628173

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4.6 ★★★★★
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Lowell, US
★★★★★ 4
Fit well and stay up
Size: Large, Color: (299) City Khaki / City Khaki / White
They're a little thin, so good mainly for warmer months. But they fit very well and I've not experienced any slippage
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 17, 2026
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Gustavo Garcia
Boise, US
★★★★★ 5
Llego a tiempo
Size: X-Large, Color: (001) Black / Black / Castlerock
Bien
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Reviewed in the United States on April 28, 2026
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ViperMageEx
Port Orchard, US
★★★★★ 3
Low quality socks.
Size: Large, Color: (001) Black / Black / Castlerock
I have been buying Under Armour undergarments for years and have noticed a steady decline in quality. These socks are no different. I purchased another six packs of very similar styled Under Armour socks in 2023 and recently they have started wearing out. Those socks are no longer available for reorder, but these extremely similar socks were so I ordered them. The quality difference is obvious just by looking at and feeling them. They are more of a faded black/brown than the black pictured or the black that the three year old socks still are. The material is completely different and feels lighter. When wearing them they already feel like they are bunching up in my shoes, which the old ones never did. I do not expect these to last even a year and will not buy them again.
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Reviewed in the United States on March 29, 2026
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Regina Hall
Boise, US
★★★★★ 5
Happy Son
Size: Large, Color: (001) Black / Black / Castlerock
My sons loves them. They are all he wears.
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Reviewed in the United States on April 19, 2026
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Phoenix, US
★★★★★ 5
Perfect thickness and soft feel.
Size: 6-10, Color: Halo Gray/Assorted
Why did you pick this product vs others?: Love theses socks.  It's hard to find socks which won't get pulled down by athletic shoes.  These stay put.
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Reviewed in the United States on June 29, 2025

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