Casio G-Shock GM-2100-1ADR Silver Analog-Digital Dial Black Resin Strap Men's Watch

Experience iconic toughness and contemporary design with the Casio G-Shock GM-2100-1ADR, a rugged yet stylish analog-digital watch built for everyday adventures. Featuring a robust silver stainless steel-clad octagonal bezel paired with a black resin strap, this timepiece showcases a sleek, modern aesthetic rooted in the legendary G-Shock lineup. Its bold dial combines easy-to-read analog hands with a digital display, giving you the best of both worlds for timekeeping.

Designed for durability in any environment, it delivers shock resistance and 200 m water resistance, making it ideal for sports, outdoor activities, and daily wear. Advanced features like world time across 31 time zones, stopwatch, countdown timer, alarms, and a full auto-calendar enhance practicality, while bright LED illumination ensures visibility in low-light conditions.

• Analog + Digital Quartz Movement – Reliable everyday timekeeping.
  
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  Stainless Steel Bezel / Resin Band – Durable, rugged combo with a sleek look.
  
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  Shock Resistant Construction – G-Shock durability for active use.
  
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  200 m Water Resistance – Suitable for swimming and water activities.
  
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  World Time – 31 time zones (48 cities + UTC) with daylight saving on/off.
  
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  1/100-Second Stopwatch – Measures elapsed, split, and lap time.
  
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  Countdown Timer – Up to 24 hours.
  
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  5 Daily Alarms + Hourly Signal – Custom alerts.
  
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  Double LED Light – Super illuminator for analog and digital displays.
  
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  Full Auto-Calendar – Pre-programmed up to the year 2099.
  
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  Hand Shift Feature – Temporarily moves hands for unobstructed digital viewing.
  
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  12/24-Hour Format – Choose preferred time display.
  

Brand: Casio

Model: GM-2100-1ADR

Series: G-Shock

Movement Type: Quartz (Analog + Digital)

Case Material: Resin with Stainless Steel Bezel

Crystal: Mineral Glass

Band Material: Black Resin

Clasp Type: Buckle

Case Size: Approx. 49.3 × 44.4 × 11.8 mm

Weight: Approx. 72 g

Water Resistance: 200 m / 20 bar

Accuracy: ±15 seconds per month

Battery Life: Approx. 3 years on SR726W × 2

Functions:

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  Analog hours, minutes
  
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  Digital hour, minute, second, date, month
  
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  World time
  
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  Stopwatch
  
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  Countdown timer
  
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  5 alarms + hourly signal
  
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  Auto-calendar
  
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  LED illumination

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1. Is the Casio GM-2100-1ADR an authentic watch?

Yes — it’s a genuine Casio G-Shock timepiece designed with the brand’s legendary durability.

2. Does this watch require a battery?

Yes — it uses quartz movement powered by long-lasting batteries with an approximate 3-year life.

3. Is it waterproof?

Yes — with 200 m water resistance, it’s suitable for swimming and water sports (not deep diving).

4. What functions does it have?

It includes world time, stopwatch, countdown timer, alarms, auto-calendar, and LED lighting for easy usability.

5. Is it suitable for daily wear?

Absolutely — rugged construction, shock resistance, and stylish design make it perfect for everyday use and outdoor activities.