Overview

G-SHOCK GA2100-1A: Thin Watch with Black Analog-Digital Dial

With its black analog-digital dial and gray indices, the G-SHOCK GA2100-1A watch sports advanced G-SHOCK protection with a thin and comfortable watch case. The iconic 2100 series was introduced in 2019 and quickly became one of G-SHOCK's most popular lines of thin watches. An octagonal bezel gives the GA2100-1A its sophisticated appeal, and the black dial combined with a negative digital display presents a dark backdrop for the eye-catching gray indices and hands. A slim and elegantly contoured watch that complements your attire with or without sleeves, this GA2100 offers a dark charismatic coupling of modern style and absolute toughness.

A Thin Watch with Signature G-SHOCK Toughness

At only 11.8mm thick, the watch case creates a slim profile that makes the 2100 series a comfortable everyday watch. Although wonderfully thin, the GA2100-1A doesn't skimp on protection. G-SHOCK innovative design utilizes a Carbon-Core Guard Structure that begins with an advanced carbon fiber-reinforced resin case. The entire GA2100 series maximizes the utility of a compact design while advancing the G-SHOCK legacy for crafting some of the toughest watches on the planet. 200-meter water resistance (wr 20 bar) and scratch-resistant mineral glass round out an incredible array of protection. Weighing only 51 grams, the GA2100-1A packs all this protection into a comfortable watch whose sleek, thin profile is magnified by its dark styling.

Features of the G-SHOCK GA2100-1A Thin Watch

Technological innovation abounds in the compact case of the GA2100. World Time displays the time in 31 time zones (48 cities), great for coordinating global business or keeping in touch with distant family and friends. A stopwatch, timer, and five daily alarms help you to organize your day, keep track of important ongoing tasks such as cooking and project time tracking, and stay focused without the need to shift your attention to a screen. The stopwatch offers elapsed time, split time, and 1st and 2nd place times. Keep an eye on your children's screen time with elapsed time or utilize the split time to measure various segments of an important presentation and track segment pacing in a natural flow. The GA2100-1A can become an integral part of your daily organization and task completion. This thin watch combines bold style with daily functionality.

Explore the Signature G-SHOCK 2100 Series

G-SHOCK offers a diverse array of watches that begin with the 2100 case. Explore the entirety of the 2100 line and find the perfect 2100 for you. Enjoy the black colorway of the GA2100-1A? Discover the full black GA2100-1A1, one of the most popular watches in the GA2100 line with the characteristic thin case and vibrant performance. The 2100 line has something for everybody. Women and those with smaller wrists enjoy the minimalist GMAS2100 collection, the metallic luster of the GMS2100 collection, and the silky elegance of the Silky Tone collection. Explore all of the best-selling 2100 series for women. The 2100 series includes watches that boast radiant stainless-steel bezels in the G-SHOCK G-STEEL line. Discover that slim octagonal bezel with a brilliant shine in the GM2100 collection. Browse all of the G-STEEL watches, which include the slim 2100 series models with Bluetooth® connectivity and Tough Solar charging. The slim profile of the 2100 series climbs all the way to the penthouse. Explore G-SHOCK's flagship MR-G series and discover some of the incredible 2100 series watches that receive the luxury treatment, such as the titanium-clad MRGB2100R.

Specifications

Why Atlanta Jewelers?
With over 1,000 five-star reviews and a trusted name in fine jewelry, Atlanta Jewelers brings you an unmatched selection of diamonds, gold, and designer pieces. As authorized dealers of Le Vian and other premier brands, we offer authentic luxury you can shop with complete confidence.

Loved by Thousands
With 1,000+ reviews from happy customers, our reputation speaks for itself. We've earned our name through quality, selection, and service you can count on every time.

Quality You Can Trust
We hold every piece to the highest standard, offering fine jewelry and timepieces made to be treasured for generations. When you shop with us, you can feel confident you're investing in true quality.

A Curated Collection
Our selection is thoughtfully handpicked to bring you the finest in diamonds, gold, and designer jewelry. Whether you're marking a milestone or treating yourself, you'll find pieces as special as the occasion.

Personalized Service
Our knowledgeable team takes the time to understand your style and needs, guiding you through every step with care and expertise—making every visit feel personal.

Gold Jewelry
Keep your gold pieces looking their best by cleaning them regularly with a soft cloth to remove oils and buildup. For a deeper clean, soak in warm water with a few drops of mild dish soap, gently brush with a soft-bristled brush, then rinse and dry thoroughly. Remove gold jewelry before swimming, showering, or applying lotions and perfumes, as harsh chemicals can dull its shine over time. Store each piece separately in a soft pouch or lined box to prevent scratches.

Diamond Jewelry
Diamonds are brilliant by nature, but everyday wear can leave them looking cloudy. Restore their sparkle by soaking in a solution of warm water and mild dish soap, then gently cleaning around the stone and setting with a soft brush. Rinse well and pat dry with a lint-free cloth. Avoid touching the diamond directly, as natural oils from your skin can diminish its brilliance. Have your settings checked periodically by a professional to ensure stones remain secure.WatchesWipe your watch down with a soft, dry cloth to remove dust and moisture after wear. Keep it away from extreme temperatures, magnets, and prolonged direct sunlight, which can affect performance and appearance. If your timepiece is water-resistant, avoid pressing buttons or adjusting the crown while underwater, and rinse with fresh water after any exposure to salt or chlorine. Store your watch in a protective case or box, and have it serviced periodically to keep it running smoothly for years to come.

General Tips
Always remove your jewelry and watches before exercising, cleaning, or handling harsh chemicals. When you're not wearing them, store each piece individually to avoid scratches and tangling. With a little regular care, your pieces will retain their beauty and brilliance for a lifetime.

There is a one-year warranty on all jewellery purchased from us. This covers manufacturing defects, and we will replace or repair the pieces at no cost.