Side by side
Seestern S446 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
14 of 29 specs differDiameter
S446 GMT39.5mm
S4 Blackout P9427 Spitfire44mm
Power Reserve
S446 GMT41hh
S4 Blackout P9427 Spitfire38h
Water Resistance
S446 GMT100m
S4 Blackout P9427 Spitfire100m
MSRP
S446 GMT$299
S4 Blackout P9427 Spitfire—
Full specifications
Case
6 specsCategory
GMT
—
Diameter
39.5mm
44mm
Thickness
13mm
14.1mm
Lug-to-Lug
47mm
49.6mm
Lug Width
20mm
22mm
Material
316L Stainless Steel
Stainless Steel
Crystal & Dial
2 specsCrystal Shape
Domed
Flat
Dial Color
Cream
Black
Movement
5 specsCaliber
Seiko NH34A GMT
ETA 2824
Beat Rate
3 vph
28,800 vph
Power Reserve
41hh
38h
Jewels
24
25
Complications
GMT, Date
None
Pricing
1 specsMSRP
$299
—
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