Watch Casio G-Shock GBD-100SM-1A7ER

Introducing the Casio G-Shock G-Squad GBD-100SM-1A7ER, a men's sports watch with a look as striking as its training credentials. The shock resistant case, measuring 45.9 mm, is crafted in semi-transparent black resin, a finish that reveals subtle depth as the light passes through it, sharpened by crisp green details that give the piece its unmistakable sporty character. At the centre sits a high definition MIP LCD digital display, engineered for outstanding legibility so that your data remains perfectly readable at a glance, whether you are mid-run or checking the time on the move. The contrast comes from the strap: clean white resin that stands out boldly against the dark case, creating a fresh, contemporary two-tone look that works just as well in the gym as it does on the street. A mineral crystal protects the display, completing a design that is pure G-Shock: tough, functional and full of attitude.

Inside beats a digital quartz movement with Bluetooth connectivity. Paired with the G-SHOCK MOVE app, the watch becomes a genuine training partner: it records distance, speed and calories by drawing on your phone's GPS, counts your steps with a 3-axis accelerometer, and offers an interval timer and a lap timer to structure your workouts. Your training history is available right on the display, including a weekly graph to track your progress. Beyond its fitness functions, the GBD-100SM-1A7ER offers world time, a stopwatch, a countdown timer, 5 alarms, a vibration alarm, a double high-brightness LED light for excellent visibility in the dark, an automatic calendar and 12/24 hour formats. Water resistance of 200 metres (20 bar) means it is ready for swimming and water sports, while the battery delivers approximately 2 years of autonomy. All of this in a watch weighing just 58 grams, remarkably light for such a capable tool.

The GBD-100SM-1A7ER belongs to the G-Shock G-Squad collection, the sports-focused line that combines the legendary toughness of G-Shock with smart training features for active lifestyles. Since 1983, when Casio launched the first G-Shock and redefined what a watch could withstand, the brand has built a worldwide reputation for creating timepieces that survive knocks, water and the most demanding conditions. Casio's decades of innovation in digital watchmaking have made G-Shock an icon trusted by athletes, professionals and enthusiasts across the globe.

Shopping at TicTacArea.com means buying from real jewellers and watch specialists with over 30 years of experience, official distributors, online since 1999. Every watch is genuine, factory-new, and delivered with its official presentation box, documentation and international Casio warranty.

Technical Specifications

Reference: GBD-100SM-1A7ER
Collection: G-Shock G-Squad
Type: Digital sports watch
Movement: Digital quartz with Bluetooth connectivity
Case material: Semi-transparent black resin with green details, shock resistant
Case colour: Semi-transparent black with green accents
Case size: 45.9 mm
Strap material: Resin
Strap colour: White
Display: High definition MIP LCD digital display
Crystal: Mineral
Water resistance: 200 m (20 bar)
Functions: G-SHOCK MOVE app connection, distance, speed and calorie tracking via phone GPS, step counter with 3-axis accelerometer, interval timer, lap timer, on-screen training log with weekly graph, world time, stopwatch, countdown timer, 5 alarms, vibration alarm, double LED light, automatic calendar, 12/24 h format
Weight: 58 g
Battery life: Approximately 2 years
Gender: Men