Grand Seiko Quartz (37.0 mm) Grand Seiko Hi-Beat GMT (40.2 mm)

Dimensions Compared

SpecGrand Seiko QuartzGrand Seiko Hi-Beat GMT
Diameter 37.0 mm 40.2 mm
Lug-to-Lug 44.6 mm 47.0 mm
Thickness 10.0 mm 14.4 mm
Lug Width 19 mm 20 mm
Weight N/A N/A
Material Stainless Steel Stainless Steel
Water Resistance 100 m 100 m
Movement Quartz Automatic (Hi-Beat 36000 GMT)
Power Reserve N/A 55 hours
MSRP $2,700 $7,600

Verdict

The Grand Seiko Hi-Beat GMT is 3.2 mm wider at 40.2 mm versus 37.0 mm, giving it a slightly larger wrist presence. The Grand Seiko Quartz has a shorter lug-to-lug distance, making it better suited for smaller wrists. The Grand Seiko Quartz wears thinner at 10.0 mm versus 14.4 mm, sitting closer to the wrist. At retail, the Grand Seiko Quartz is the more accessible option at $2,700 versus $7,600.

Where to Buy

Grand Seiko Quartz

Grand Seiko Hi-Beat GMT

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