Side by side

Seiko 5KXvsZero West S4 Blackout P9427 Spitfire

The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.

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5KX
Seiko5KX
MSRP $350
S4 Blackout P9427 Spitfire
Zero WestS4 Blackout P9427 Spitfire
Buy from Seiko ↗
Buy used on eBay ↗
Buy from Zero West ↗
Buy used on eBay ↗

At a glance

10 of 29 specs differ
Diameter
5KX42.5mm
S4 Blackout P9427 Spitfire44mm
Power Reserve
5KX41h
S4 Blackout P9427 Spitfire38h
Water Resistance
5KX100m
S4 Blackout P9427 Spitfire100m
MSRP
5KX$350
S4 Blackout P9427 Spitfire—

Full specifications

Case

4 specs
Category
Diver
—
Diameter
42.5mm
44mm
Thickness
13.4mm
14.1mm
Lug-to-Lug
46mm
49.6mm

Crystal & Dial

2 specs
Crystal
Hardlex
Sapphire
Lume
LumiBrite on hands and index(es)
None

Movement

3 specs
Caliber
4R36
ETA 2824
Power Reserve
41h
38h
Jewels
24
25

Pricing

1 specs
MSRP
$350
—
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