--- type: product title: G-Shock GA-2100-1A3ER Utility Black Series Watch handle: g-shock-ga-2100-1a3er-utility-black-series-wristwatch url: >- https://www.hsjohnson.com/products/g-shock-ga-2100-1a3er-utility-black-series-wristwatch sku: GA-2100-1A3ER price: '7000.0' currency: GBP tags: - bestseller - in_stock - Mens collections: - Watches - G-Shock - In Stock - All - Mens Watches - OrderlyEmails - Recommended Products - Bestsellers variants: - title: Default Title price: '70.00' sku: GA-2100-1A3ER images: - >- https://cdn.shopify.com/s/files/1/0621/1164/5922/files/G-Shock_GA-2100-1A3ER_Utility_Black_Series_Wristwatch_-_H_S_Johnson-2834637.jpg?v=1724891125 - >- https://cdn.shopify.com/s/files/1/0621/1164/5922/files/G-Shock_GA-2100-1A3ER_Utility_Black_Series_Wristwatch_-_H_S_Johnson-2834643.jpg?v=1724891132 - >- https://cdn.shopify.com/s/files/1/0621/1164/5922/files/G-Shock_GA-2100-1A3ER_Utility_Black_Series_Wristwatch_-_H_S_Johnson-2834648.jpg?v=1724891137 - >- https://cdn.shopify.com/s/files/1/0621/1164/5922/files/G-Shock_GA-2100-1A3ER_Utility_Black_Series_Wristwatch_-_H_S_Johnson-2834654.jpg?v=1724891144 - >- https://cdn.shopify.com/s/files/1/0621/1164/5922/files/G-Shock_GA-2100-1A3ER_Utility_Black_Series_Wristwatch_-_H_S_Johnson-2834659.jpg?v=1724891150 - >- https://cdn.shopify.com/s/files/1/0621/1164/5922/files/G-Shock_GA-2100-1A3ER_Utility_Black_Series_Wristwatch_-_H_S_Johnson-2834665.jpg?v=1724891157 created_at: null updated_at: null metafields: global.title_tag: G-Shock GA-2100-1A3ER Utility Black Series Wristwatch | HS Johnson global.tag-9-movement: Quartz global.tag-8-display-type: Analogue & Digital global.tag-12-water-rating: 200 m (20 ATM) global.tag-3-case-material: Resin global.tag-5-strap-type: Strap global.tag-18-pricing-rule: '05 - Beat all small: combined' global.tag-22-maximum-price: '15' global.mpn: GA-2100-1A3ER global.tag-27-discount-code: '0' --- The G-SHOCK GA-2100 Utility Black Series is an evolution of the classic GA-2100-1A1 design, with vibrant fluorescent highlights. The exterior of the GA-2100-1A3ER model features neon green accents on the hands, hour marker tips, day indicator, and dial labels. This slim, lightweight GD-2100 model is built with Carbon Core Guard technology and boasts an interior made of carbon fibre-reinforced resin. Additionally, the watch includes world time, stopwatch, countdown timer, 5 alarms, and double LED light with LCD backlight.   **We are a Casio UK authorised dealer** **New boxed stock with full retail boxes & paperwork** **WATER RESISTANT -** 200 Metres Water Resistant **ACCURACY -** +/- 15 seconds per month **ALARM FUNCTION -** 5 Daily Alarms: Each will sound every day at the time you set **AUTO CALENDAR -** Once set, the automatic calendar always displays the correct date **BAND MATERIAL -** Resin **BATTERY LIFE -** Approximately 3 years **CORE GUARD STRUCTURE -** New Carbon Core Guard Structure **COUNTDOWN TIMER FUNCTION -** Measuring Unit: 1 second **DATE AND WEEKDAY DISPLAY -** The current date and week day are displayed on the watch face **DATE DISPLAY -** The current date is displayed on the watch face **DIMENSIONS -** 48.5 x 45.4 x 11.8 mm **HAND SHIFT FUNCTION -** With a push of a button, hands move away from the LCD to permit free visibility. **DISPLAY ILLUMINATION -** Double LED light, LED light for the face and LED backlight for the digital display **MINERAL GLASS -** Hard glass resists scratching **SHOCK RESISTANT -** Patented Hollow Core Guard Structure protects against impact and vibration **STOPWATCH FUNCTION -** Measuring Capacity: 24 hours, Measuring Modes: Elapsed time, split time, 1st-2nd place times, Measuring Unit: 1/100 second (for the first 60 minutes) 1 second (after 60 minutes) **WEIGHT (GRAM) -** 51 **WORLD TIME -** Displays the current time in major cities and specific areas around the world