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Men's Black Resin Watch, 54.7mm, GRB300EC-1A

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 Macy's price tracker

14-day low
$300.00
Sep 14 · Macy's
Best price
$300.00
−0% vs high
14-day high
$300.00
All stores
$300$300$300
Sep 14Sep 27
  • Macy's
Lowest in 14 days: $300.00 at Macy's. Highest: $300.00. Current best is 0% below the 14-day high.

About this product

G-Shock GRB300EC is a rugged men's black resin watch with a 54.7mm case, designed for extreme conditions. Its durable Carbon Core Guard structure and wide 3D face ensure long-term reliability and clear readability. The watch features dual time display, flight log memory, world time, Bluetooth connectivity, and a tough solar battery. It includes practical functions like stopwatch, timer, multi-alarm, full auto calendar, and shock resistance. The black resin strap adjusts from 145 to 215mm and secures with a buckle. Water resistant up to 200 meters, it is built for professionals in demanding environments.

  • 54.7mm black resin case
  • tough solar battery
  • 200m water resistant
  • Bluetooth connected
  • dual time display
  • shock resistant

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Men's Black Resin Watch, 54.7mm, GRB300EC-1A — Price History