Side by side
Alexander James Watches A4 Prelude 37 GMTvsHemel HD24 Automatic
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
11 of 29 specs differDiameter
A4 Prelude 37 GMT37.4mm
HD24 Automatic40mm
Power Reserve
A4 Prelude 37 GMT—
HD24 Automatic40h
Water Resistance
A4 Prelude 37 GMT200m
HD24 Automatic200m
MSRP
A4 Prelude 37 GMT—
HD24 Automatic$300
Full specifications
Case
5 specsCategory
—
Diver
Diameter
37.4mm
40mm
Thickness
12.1mm
13mm
Lug-to-Lug
44.7mm
48mm
Material
Stainless Steel
316L Stainless Steel
Crystal & Dial
3 specsCrystal
Sapphire
Domed Sapphire
Dial Color
White
Gallant USAF Edition
Lume
BGW9
None
Movement
2 specsCaliber
Seiko NH34
Seiko NH38A
Power Reserve
—
40h
Pricing
1 specsMSRP
—
$300
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