--- type: product title: G-Shock GA-B2100BNR-1AER Analogue Digital Watch handle: g-shock-ga-b2100bnr-1aer-analogue-digital-watch url: >- https://www.hsjohnson.com/products/g-shock-ga-b2100bnr-1aer-analogue-digital-watch sku: GA-B2100BNR-1AER price: '12900.0' currency: GBP tags: - in_stock - Mens - new-arrival - Womens collections: - Watches - G-Shock - In Stock - All - Mens Watches - Womens Watches - OrderlyEmails - Recommended Products - New Arrivals variants: - title: Default Title price: '129.00' sku: GA-B2100BNR-1AER images: - >- https://cdn.shopify.com/s/files/1/0621/1164/5922/files/ga-b2100bnr-1aer.jpg?v=1790154451 - >- https://cdn.shopify.com/s/files/1/0621/1164/5922/files/ga-b2100bnr-1aer1.jpg?v=1790154451 - >- https://cdn.shopify.com/s/files/1/0621/1164/5922/files/ga-b2100bnr-1aer2.jpg?v=1790154452 - >- https://cdn.shopify.com/s/files/1/0621/1164/5922/files/ga-b2100bnr-1aer3.jpg?v=1790154451 - >- https://cdn.shopify.com/s/files/1/0621/1164/5922/files/ga-b2100bnr-1aer4.jpg?v=1790154451 created_at: null updated_at: null metafields: shopify.case-color: '["gid://shopify/Metaobject/54409167074"]' shopify.watch-features: >- ["gid://shopify/Metaobject/56300634338","gid://shopify/Metaobject/54487679202","gid://shopify/Metaobject/56300732642"] shopify.age-group: '["gid://shopify/Metaobject/54405955810"]' shopify.band-color: '["gid://shopify/Metaobject/54409167074"]' shopify.dial-color: '["gid://shopify/Metaobject/54409167074"]' shopify.watch-material: '["gid://shopify/Metaobject/307522634104"]' shopify.connectivity-technology: '["gid://shopify/Metaobject/63856148706"]' global.tag-18-pricing-rule: '05 - Beat all small: combined' global.tag-21-minimum-price: '66' global.tag-22-maximum-price: '5' --- Experience uncompromising style with the G-Shock GA-B2100BNR-1AER, part of the bold Ignite Red collection. This octagonal timepiece combines iconic black with fiery red accents to deliver authentic G-SHOCK toughness and attitude. Built with Bluetooth connectivity and solar power technology, it offers reliability that matches its striking aesthetic. The contrasting deep red details against a dark black case create a powerful look that commands attention on any wrist. Engineered for those who refuse to compromise on durability or design. **We are a Casio UK authorised dealer** **New boxed stock with full retail boxes & paperwork** **Basic Information** Case size (L× W× H) 48.5 × 45.4 × 11.9 mm Weight 52 g Case and bezel material Carbon / Resin　 Band Resin Band Construction Shock Resistant Carbon Core Guard structure Water resistance 200-metre water resistance Time adjustment Bluetooth: Connects to a smartphone and automatically adjusts the time Power supply and battery life Tough Solar (Solar powered) **Smartphone Link/App Connectivity Features** Smartphone Link feature Mobile link (Wireless linking using Bluetooth®) Apps CASIO WATCHES App connectivity feature Auto time adjustment Easy watch setting Approximately 300 world time cities Time & place Reminder Phone finder **Exterior** Glass Mineral Glass Compatible band size 145 to 215 mm Other Neobrite **Watch Features** World time 38 time zones (38 cities + coordinated universal time), city code display, city name display, daylight saving on/off, auto summer time (DST) switching, Home city/World time city swapping Stopwatch 1/100-second stopwatch Measuring capacity:  00'00''00~59'59''99 (for the first 60 minutes) 1:00'00~23:59'59 (after 60 minutes) Measuring unit:  1/100 second (for the first 60 minutes) 1 second (after 60 minutes) Measuring modes: Elapsed time, lap/split time Timer Countdown timer Measuring unit: 1 second Countdown range: 60 minutes Countdown start time setting range: 1 second to 60 minutes (1-second increments and 1-minute increments) Alarm/hourly time signal 5 daily alarms Hourly time signal Light Double LED light LED light for the face (Super illuminator, selectable illumination duration (1.5 seconds or 3 seconds), afterglow) LED backlight for the digital display (Super illuminator, selectable illumination duration (1.5 seconds or 3 seconds), afterglow) Light colour LED: White Calendar Full auto-calendar (to year 2099) Mute feature Button operation tone on/off Energy saving feature Power Saving (display goes blank to save power when the watch is left in the dark) Battery display/alert Battery level indicator Run time Approx. battery operating time: 7 months on rechargeable battery (operation period with normal use without exposure to light after charge) 18 months on rechargeable battery (operation period when stored in total darkness with the power save function on after full charge) Accuracy Accuracy: ±15 seconds per month (with no mobile link function) **Other features** Hand shift feature (Hands move out of the way to provide an unobstructed view of digital display contents.) 12/24-hour format Date/month display swapping Day display (days of the week selectable in six languages) Regular timekeeping: Analog: 2 hands (hour, minute (hand moves every 20 seconds)), 1 dial (battery level, mode) Digital: Hour, minute, second, pm, month, date, day