Casio G-Shock GMAS2100-1A: The Ultimate Multi-Sport Watch

4.40 (213)
Best price today
$89.95
Save 9.14% vs RRP ▼ 0.06%
Best
AMAZON
4.40 (213)
In stock
$89.95
$99.00 -9.14%
↓ 0.06%
Prices last updated Feb 09, 2026

Highlights

  • Water resistance depth of 30 meters for added durability
  • Lightweight and compact design with a case thickness of 11 mm
  • Chic monochromatic black look suitable for any occasion
  • Multi-sport functionality for fitness enthusiasts
  • Durable resin band for a secure and comfortable fit
  • G-Shock brand reliability for tough conditions
  • Perfect for casual wear or active lifestyles

Description

Introducing the Casio G-Shock GMAS2100-1A, a remarkable wristwatch that combines style, durability, and functionality. This downsized version of the iconic GA-2100 model is perfect for those who appreciate a compact design without sacrificing performance. The GMAS2100-1A features a sleek, monochromatic black color scheme that makes it an ideal accessory for any outfit, whether you're at the gym or out on the town. With a water resistance depth of 30 meters, this watch is designed to withstand splashes and brief immersion in water, making it suitable for various activities, including swimming and sports. The lightweight and slim profile, with a case thickness of just 11 millimeters, ensures that it sits comfortably on your wrist all day long. The GMAS2100-1A is not just about looks; it’s engineered for multi-sport use, making it a versatile companion for fitness enthusiasts and adventurers alike. The durable resin band provides a secure fit, while the G-Shock brand guarantees reliability and toughness, so you can wear it with confidence in any situation. Whether you're a casual wearer or a serious athlete, the Casio G-Shock GMAS2100-1A is the perfect blend of style and functionality. Elevate your watch game with this chic yet robust timepiece that’s designed to keep up with your active lifestyle. Get yours today and experience the perfect combination of fashion and performance!

Specifications

Manufacturer G-Shock
Best Sellers Rank #324,562 in Clothing, Shoes & Jewelry (See Top 100 in Clothing, Shoes & Jewelry) #889 in Women's Wrist Watches
Customer Reviews 4.4 4.4 out of 5 stars (213) 4.4 out of 5 stars
Model Number GMAS2100-1A
Item Shape Octagonal
Display Type Analog-Digital
Clasp Buckle
Case Material Carbon/Resin
Case Diameter 42 Millimeters
Case Thickness 11 Millimeters
Band Material Resin
Band Width 24
Band Color Black
Dial Color Black
Movement Japanese Quartz
Water Resistance Depth Water Resistant
Warranty Manufacturer
Brand Casio
Brand Name G-Shock
Age Range Description Adult
Model Name Casio G Shock
Series Number 2100
Upc 889232300252
Item Type Name Sport Watch
Included Components Resin Band
Item Height 5 inches
Power Source Battery Powered
Strap Type Two Piece Strap
Sport Type Multi-Sport
Embellishment Feature Crystal
Crystal Mineral
Style Digital
Face Style Crosshair (possible other styles: Teaked, Linen)
Character Fashion

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