The Casio G-Shock GA-100-1A4ER is a men’s wristwatch designed to offer high resistance and functionality for everyday and sports use, combining a robust resin case with a black design with red details characteristic of the G-Shock series. Its resin construction and mineral glass provide solid protection against shocks and scratches, while the buckle clasp ensures a secure and comfortable fit on the wrist. This model features a complete multifunction system with integrated calendar, chronograph for precise time measurement in sports activities and alarm function, as well as 12h / 24h time format to suit different reading preferences. The quartz movement ensures stable, accurate timekeeping with minimal maintenance, and the LED backlight allows you to check the time in low-light environments. Its case of approximately Ø 51 mm gives it a strong presence on the wrist, in line with the robust, technical style typical of G-Shock, and its water resistance of 20 atm makes it suitable for showering, swimming pool use or light water activities without worry, always within usual water-resistant watch limits. The watch is presented as a reliable multifunction watch, designed for those looking for a sporty, durable and practical model, and includes a branded case or pouch for proper protection and storage. Overall, the Casio G-Shock GA-100-1A4ER stands out as a solid choice for users who need a durable, functional watch with a marked sporty look.

• Gender: Men
• Type of watch: Wristwatch
• Extra links: No
• Functions:
  • Alarm
  • Multifunction
• Bracelet material: Resin
• Includes: Includes brand case or cover
• Water resistance: 20 atm
• Crystal: Mineral
• Type of movement: Quartz
• Watch case diameter: Ø 51 mm
• Type: Mineral
• Colour:
  • Black
  • Red
• Material: Resin
• Characteristics:
  • Calendar
  • Stopwatch
  • 12h / 24h format
• Technology: LED
• Type of fastening: Buckle

Auto-LED light A light-emitting diode (LED) is used to illuminate the watch face, incl. the feature of an Auto Light Switch that illuminates the display when the watch is angled towards the face. Shock resistant Shock-resistant construction protects against impact and vibration. Magnetic resistant The housing is designed to shield the clock from magnetic fields. World time function Displays the current time in major cities and specific areas around the world. Stopwatch function - 1/1000 sec. - 100 hours Measures with an accuracy of thousandth part seconds the meantime and the end time. Signals confirm the starting/stop selection. The measuring capacity reaches up to 100 hours. Timer - 1/1 min. - 24 hours (with automatic repeat) For fans of precision: the countdown timers help you to remember specific or recurring events by giving off an audible signal at a preset time. They then count back automatically from the preset time. The time can be set to the nearest minute and up to 24 hours in advance. Ideal for people who need to take medicines every day or those who do interval training. 5 daily alarms The daily alarm reminds you about recurring events with an acoustic signal at the time you have set. You can also activate hourly time signal that indicates each full hour. This model has 5 independent alarms for flexible reminders of important appointments. Snooze feature Each time you stop the alarm, it sounds again after a few minutes. Automatic calendar Once set, the automatic calendar always displays the correct date. 12/24-hour timekeeping Times can be displayed in either a 12-hour or 24-hour format. Mineral glass The tough, scratch-resistant mineral glass protects the watch against unsightly damage. Resin case Resin band Natural resin is the ideal material for wrist straps thanks to its extremely durable and flexible properties. 2 Years - 1 Battery The battery supplies the watch with sufficient energy for approx. two years. Water resistance classification (20 bar) Perfect for free diving without scuba gear: the watch is water resistant to 20 bar / 200 metres. The metres value does not relate to a diving depth but to the air pressure used in the course of the water resistance test. (ISO 2281)

• Shockproof: Y
• Stopwatch: Y
• Calendar: Y
• Water resistant depth: 200 m
• World time function: Y
• Timer: 1/1min - 24h
• Alarm function: Y
• LED backlight: Y
• Accuracy: ±15 sec/month
• Snooze function: Y
• Clock mode: 12h/24h
• Watch case material: Resin
• Band material: Resin
• Watch glass type: Mineral
• Battery type: CR1220
• Battery life: 2 year(s)
• Number of batteries supported: 1
• Weight: 70 g
• Dimensions (WxDxH): 51.2 x 16.9 x 55 mm

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