Side by side
Sheffield GMTvsHelgray Speedster (Racing Light Blue)
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
9 of 29 specs differDiameter
GMT40mm
Speedster (Racing Light Blue)39mm
Power Reserve
GMT—
Speedster (Racing Light Blue)40h
Water Resistance
GMT200m
Speedster (Racing Light Blue)30m
MSRP
GMT—
Speedster (Racing Light Blue)$299
Full specifications
Case
5 specsCategory
GMT
Chronograph
Diameter
40mm
39mm
Thickness
13mm
12mm
Lug-to-Lug
48mm
46mm
Water Resistance
200m
30m
Crystal & Dial
1 specsDial Color
Blue
Black
Movement
2 specsCaliber
Seiko NH34
Miyota 6S21
Power Reserve
—
40h
Pricing
1 specsMSRP
—
$299
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