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Casio G-Shock Mens Red Strap Watch Ga100b-4a

Casio G-Shock Mens Red Strap Watch Ga100b-4a

Prices as of October 2, 2026, as listed by each retailer — verify the current price on the retailer's site before purchase.

Price history tracked at JCPenney price tracker

14-day low
$81.00
Sep 28 · JCPenney
Best price
$81.00
−25% vs high
14-day high
$108.00
All stores

Today's best price is the lowest AskPrice has recorded · tracked since Apr 2026.

$108$95$81
Sep 19Oct 2
  • JCPenney
Lowest in 14 days: $81.00 at JCPenney. Highest: $108.00. Current best is 25% below the 14-day high.

About this product

The Casio G-Shock GA100B-4A is a rugged men's watch featuring a bold red resin strap, black dial, and quartz movement. Designed for high performance, it offers shock resistance, 200m water resistance, and dual analog-digital display with world time, alarm, stopwatch, and LED light functions. Its durable 100% resin case and buckle closure ensure long-lasting use in active or everyday settings.

  • Red resin strap
  • 200m water resistance
  • Quartz movement
  • LED light function
  • Shock resistant
  • Buckle closure

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Casio G-Shock Mens Red Strap Watch Ga100b-4a — Price History