Side by side

Hemel HD24 AutomaticvsZero 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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HD24 Automatic
HemelHD24 Automatic
MSRP $300
S4 Blackout P9427 Spitfire
Zero WestS4 Blackout P9427 Spitfire
Buy from Hemel ↗
Buy used on eBay ↗
Buy from Zero West ↗
Buy used on eBay ↗

At a glance

12 of 29 specs differ
Diameter
HD24 Automatic40mm
S4 Blackout P9427 Spitfire44mm
Power Reserve
HD24 Automatic40h
S4 Blackout P9427 Spitfire38h
Water Resistance
HD24 Automatic200m
S4 Blackout P9427 Spitfire100m
MSRP
HD24 Automatic$300
S4 Blackout P9427 Spitfire—

Full specifications

Case

7 specs
Category
Diver
—
Diameter
40mm
44mm
Thickness
13mm
14.1mm
Lug-to-Lug
48mm
49.6mm
Lug Width
20mm
22mm
Material
316L Stainless Steel
Stainless Steel
Water Resistance
200m
100m

Crystal & Dial

2 specs
Crystal
Domed Sapphire
Sapphire
Dial Color
Gallant USAF Edition
Black

Movement

2 specs
Caliber
Seiko NH38A
ETA 2824
Power Reserve
40h
38h

Pricing

1 specs
MSRP
$300
—
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