Side by side
Helgray Speedster (Racing Light Blue)vsGrand Seiko STGF359
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
10 of 29 specs differDiameter
Speedster (Racing Light Blue)39mm
STGF35928.9mm
Power Reserve
Speedster (Racing Light Blue)40h
STGF35940h
Water Resistance
Speedster (Racing Light Blue)30m
STGF359100m
MSRP
Speedster (Racing Light Blue)$299
STGF359$2,600
Full specifications
Case
6 specsCategory
Chronograph
Dress
Diameter
39mm
28.9mm
Thickness
12mm
8.7mm
Lug-to-Lug
46mm
35.4mm
Lug Width
20mm
14mm
Water Resistance
30m
100m
Crystal & Dial
1 specsAR Coating
Inner
Yes
Movement
2 specsCaliber
Miyota 6S21
4J52
Type
Automatic
Quartz
Pricing
1 specsMSRP
$299
$2,600
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