Side by side
Spinnaker Challenger AutomaticvsZero West S4 Blackout P9427 Spitfire
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
10 of 29 specs differDiameter
Challenger Automatic42mm
S4 Blackout P9427 Spitfire44mm
Power Reserve
Challenger Automatic40h
S4 Blackout P9427 Spitfire38h
Water Resistance
Challenger Automatic200m
S4 Blackout P9427 Spitfire100m
MSRP
Challenger Automatic$289
S4 Blackout P9427 Spitfire—
Full specifications
Case
6 specsCategory
Diver
—
Diameter
42mm
44mm
Thickness
19mm
14.1mm
Lug-to-Lug
49.5mm
49.6mm
Material
316L Stainless Steel
Stainless Steel
Water Resistance
200m
100m
Crystal & Dial
1 specsDial Color
Blue
Black
Movement
2 specsCaliber
SII NH35A
ETA 2824
Power Reserve
40h
38h
Pricing
1 specsMSRP
$289
—
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