From my review
Review Details
This guide combines my hands-on verdict with the specifications and buying details above.
Specifications checked against the manufacturer.
Some versions are older and may be hard to find. Check the exact model and current stock before ordering.
ULTIMATE METAL SQUARE
Light charges the watch’s battery, so it stays topped up through regular use.
Uses radio signals to set the time in supported areas. Reception depends on where you are.
Shows the time in cities or time zones around the world. A second clock alone does not count.
Links to a phone app to help set the time or watch settings. App features vary by model.
The premium square experience with strong build, full‑metal weight and extensive personalisation options.
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A strong everyday and swimming rating, but always check the manufacturer’s guidance before diving.
Open the Full GuideFrom my review
This guide combines my hands-on verdict with the specifications and buying details above.
Specifications checked against the manufacturer.
Review evidence
My hands-on review shows the GMW-B5000's size, steel finish and display on the wrist.
Compare the details
Compare premium metal construction with the lighter, proven solar square and its easier upgrade path.
Compare With the GW-M5610U
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