Side by side
Helgray Speedster (Racing Light Blue)vsSeiko Prospex Sea Save the Ocean Special Edition
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
12 of 29 specs differDiameter
Speedster (Racing Light Blue)39mm
Prospex Sea Save the Ocean Special Edition43.8mm
Power Reserve
Speedster (Racing Light Blue)40h
Prospex Sea Save the Ocean Special Edition41h
Water Resistance
Speedster (Racing Light Blue)30m
Prospex Sea Save the Ocean Special Edition200m
MSRP
Speedster (Racing Light Blue)$299
Prospex Sea Save the Ocean Special Edition$650
Full specifications
Case
6 specsCategory
Chronograph
Diver
Diameter
39mm
43.8mm
Thickness
12mm
12.8mm
Lug-to-Lug
46mm
48.7mm
Lug Width
20mm
22mm
Water Resistance
30m
200m
Crystal & Dial
2 specsAR Coating
Inner
Anti-reflective coating on inner surface
Lume
None
LumiBrite on hands, index(es) and bezel
Movement
3 specsCaliber
Miyota 6S21
4R35
Power Reserve
40h
41h
Jewels
25
23
Pricing
1 specsMSRP
$299
$650
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