Side by side
Sheffield 1AvsZero West S4 Blackout P9427 Spitfire
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
11 of 29 specs differDiameter
1A40mm
S4 Blackout P9427 Spitfire44mm
Power Reserve
1A—
S4 Blackout P9427 Spitfire38h
Water Resistance
1A200m
S4 Blackout P9427 Spitfire100m
MSRP
1A$223
S4 Blackout P9427 Spitfire—
Full specifications
Case
6 specsCategory
Diver
—
Diameter
40mm
44mm
Thickness
12.8mm
14.1mm
Lug-to-Lug
46mm
49.6mm
Lug Width
20mm
22mm
Water Resistance
200m
100m
Crystal & Dial
2 specsDial Color
White/Blue
Black
Lume
Swiss blue lume
None
Movement
2 specsCaliber
Seiko NH35A
ETA 2824
Power Reserve
—
38h
Pricing
1 specsMSRP
$223
—
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