Side by side
Zelos Nasa Edition (sellita)vsHelgray Speedster (Racing Light Blue)
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
10 of 29 specs differDiameter
Nasa Edition (sellita)39mm
Speedster (Racing Light Blue)39mm
Power Reserve
Nasa Edition (sellita)40h
Speedster (Racing Light Blue)40h
Water Resistance
Nasa Edition (sellita)50m
Speedster (Racing Light Blue)30m
MSRP
Nasa Edition (sellita)$629
Speedster (Racing Light Blue)$299
Full specifications
Case
5 specsCategory
Dress
Chronograph
Thickness
7.6mm
12mm
Lug-to-Lug
39mm
46mm
Material
316L Stainless Steel
Stainless Steel
Water Resistance
50m
30m
Crystal & Dial
2 specsCrystal
Domed Sapphire
Sapphire
Dial Color
NASA Edition (Sellita)
Black
Movement
2 specsCaliber
ETA/Peseux 7001
Miyota 6S21
Type
Manual
Automatic
Pricing
1 specsMSRP
$629
$299
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