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Casio G-Shock Mens Digital Black Strap Watch Gas100b-1a2

Casio G-Shock Mens Digital Black Strap Watch Gas100b-1a2

Prices as of September 27, 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
$135.00
Sep 21 · JCPenney
Best price
$135.00
−6% vs high
14-day high
$144.00
All stores
$144$140$135
Sep 14Sep 27
  • JCPenney
Lowest in 14 days: $135.00 at JCPenney. Highest: $144.00. Current best is 6% below the 14-day high.

About this product

The Casio G-Shock Gas100b-1a2 is a rugged digital men's watch featuring a black resin strap and black dial. Designed for durability, it includes solar power, water resistance up to 200 meters, and a quartz movement with a lithium-ion battery. The watch has a 16.7mm case thickness and a 9.5-inch band width of 18mm, secured by a buckle closure. It offers functions like alarm, world time, light-up display, and quick ship availability. Wipe clean care instructions apply.

  • Solar powered
  • 200m water resistance
  • Black resin band
  • Quartz movement
  • Light-up display
  • Wipe clean care

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Casio G-Shock Mens Digital Black Strap Watch — Price History