Casio G-Shock GA100-1A4 watch with a 55 × 51.2 mm case, analog-digital display. Black dial, black case and black resin band. Features: 1/1000-second stopwatch, countdown timer, 5 alarms, world time (48 cities), full auto-calendar to 2099 and LED light. Mineral glass, water resistant to 200 m, shock resistant; battery life of about 2 years. Delivered in its Casio box, with the manufacturer's warranty.