Side by side
Spinnaker Dumas GMTvsZero West S4 Blackout P9427 Spitfire
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
9 of 29 specs differDiameter
Dumas GMT44mm
S4 Blackout P9427 Spitfire44mm
Power Reserve
Dumas GMT40h
S4 Blackout P9427 Spitfire38h
Water Resistance
Dumas GMT300m
S4 Blackout P9427 Spitfire100m
MSRP
Dumas GMT$399
S4 Blackout P9427 Spitfire—
Full specifications
Case
5 specsCategory
GMT
—
Thickness
15mm
14.1mm
Lug-to-Lug
48mm
49.6mm
Material
316L Stainless Steel
Stainless Steel
Water Resistance
300m
100m
Crystal & Dial
1 specsDial Color
Blue
Black
Movement
2 specsCaliber
Seiko NH34A
ETA 2824
Power Reserve
40h
38h
Pricing
1 specsMSRP
$399
—
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