Side by side
Hemel Sky Racer AutomaticvsSeiko Prospex SPEEDTIMER
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
14 of 29 specs differDiameter
Sky Racer Automatic43mm
Prospex SPEEDTIMER42.5mm
Power Reserve
Sky Racer Automatic40h
Prospex SPEEDTIMER45h
Water Resistance
Sky Racer Automatic50m
Prospex SPEEDTIMER100m
MSRP
Sky Racer Automatic$700
Prospex SPEEDTIMER$3,000
Full specifications
Case
5 specsDiameter
43mm
42.5mm
Thickness
16mm
15.1mm
Lug-to-Lug
49mm
50mm
Material
316L Stainless Steel
Stainless Steel
Water Resistance
50m
100m
Crystal & Dial
5 specsCrystal
Domed Sapphire
Sapphire
Crystal Shape
Flat
Curved
AR Coating
Inner
Anti-reflective coating on inner surface
Dial Color
Panda
Black
Lume
None
LumiBrite on hands and index(es)
Movement
3 specsCaliber
SL4617
8R46
Power Reserve
40h
45h
Jewels
25
34
Pricing
1 specsMSRP
$700
$3,000
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