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Square resin case in brown with black digital dial and stainless steel button, resin strap

CASIO

CASIO GBD800UC-5 G-Shock Power Trainer Watch

SKU CH-3BEZ-TQFNW MPN GBD800UC-5

A 200-metre water-resistant digital watch with a 3-axis step counter, Bluetooth mobile link and double LED Super Illuminator

  • Watch movementQuartz
  • Watch face colorBlack
  • Display typeDigital
  • Item conditionNew
  • Case size49.5
  • Housing materialResin
  • Tracks steps accurately with 3-axis sensor up to 999,999 steps
  • Sets daily goals from 1,000 to 50,000 steps in 1,000 increments
  • Reads time clearly in darkness via double LED Super Illuminator
  • Withstands swimming and diving with 200-meter water resistance
  • Syncs data wirelessly to phone using Bluetooth mobile link

Everyday wear and fitness training

The GBD800UC-5 is a men's G-Shock watch designed for daily use and structured workouts. A stainless-steel case and resin bezel house a black digital dial with mineral crystal. Quartz movement powers a multi-segment display and a 3-axis acceleration sensor that tracks steps up to 999,999. Water resistance is rated to 200 metres.

Check wrist size and phone compatibility

The 49.5 mm case diameter and resin band are adjustable and resizable for a secure fit. Bluetooth linking requires a compatible smartphone to sync step logs, set targets and manage alarms through the companion app. Verify that your handset supports the connection before ordering. The watch runs on a replaceable battery with an auto sensor sleep mode to extend life during inactivity.

Fits active routines without extra bulk

The watch adds stopwatch, countdown timer and interval training functions plus five daily alarms and a full auto-calendar. Dual time lets you swap home time instantly while travelling. Super Illuminator LEDs with 1.5 or 3 second duration light the display in low light. Up to 200 lap records store on the device, freeing you from carrying a phone during sessions.

How it compares

Measured against everything we stock in Analog & Digital Wristwatches, at today’s prices. Recalculated every night.

Price $87.99
Cheaper than about 62% of the 2,679 comparable items (median $130.99).

Specifications

Product
Brand nameCASIO
Model nameGBD800UC-5
Watch face colorBlack
Item conditionNew
Display
Display typeDigital
Size & build
Main materialStainless Steel
Size adjustmentYes
Case size49.5
Housing materialResin
Watch glassMineral
Environment & compliance
Water resistance200
More details
Watch movementQuartz
AdjustabilityYes
Suitable forMen's
Age groupAdult

Questions about this item

What comes in the box with the GBD800UC-5 and what must I buy separately?

The watch ships with the resin case, resin band, mineral crystal and fitted stainless-steel front button. No extra sensor, charger or band is required for the listed functions.

Which version of the GBD800UC-5 should I choose for step tracking and interval timing?

This single model includes a 3-axis acceleration sensor counting up to 999,999 steps, five intensity levels, calorie calculation, goal setting from 1,000 to 50,000 steps and an interval timer with up to five presets.

What does the 200-metre water-resistance rating mean for daily wear and swimming?

The 200-metre rating covers surface swimming, snorkelling and showering; it is not rated for scuba diving. The shock-resistant resin case and mineral crystal handle everyday impacts.

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