Side by side
Helgray Speedster (Racing Light Blue)vsLongines HYDROCONQUEST GMT
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
9 of 29 specs differDiameter
Speedster (Racing Light Blue)39mm
HYDROCONQUEST GMT41mm
Power Reserve
Speedster (Racing Light Blue)40h
HYDROCONQUEST GMT40h
Water Resistance
Speedster (Racing Light Blue)30m
HYDROCONQUEST GMT300m
MSRP
Speedster (Racing Light Blue)$299
HYDROCONQUEST GMT$3,350
Full specifications
Case
6 specsCategory
Chronograph
Diver
Diameter
39mm
41mm
Thickness
12mm
12.9mm
Lug-to-Lug
46mm
49.4mm
Lug Width
20mm
21mm
Water Resistance
30m
300m
Crystal & Dial
1 specsDial Color
Black
Green
Movement
1 specsCaliber
Miyota 6S21
L844.5
Pricing
1 specsMSRP
$299
$3,350
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