Side by side
Asterisk Watches Space Shuttle Jump Hour AutomaticvsHemel HD24 Automatic
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
10 of 29 specs differDiameter
Space Shuttle Jump Hour Automatic40mm
HD24 Automatic40mm
Power Reserve
Space Shuttle Jump Hour Automatic42h
HD24 Automatic40h
Water Resistance
Space Shuttle Jump Hour Automatic50m
HD24 Automatic200m
MSRP
Space Shuttle Jump Hour Automatic$350
HD24 Automatic$300
Full specifications
Case
5 specsCategory
—
Diver
Thickness
11mm
13mm
Lug-to-Lug
46mm
48mm
Material
Stainless Steel
316L Stainless Steel
Water Resistance
50m
200m
Crystal & Dial
2 specsCrystal
Sapphire
Domed Sapphire
Dial Color
—
Gallant USAF Edition
Movement
2 specsCaliber
Sea-Gull TY2709
Seiko NH38A
Power Reserve
42h
40h
Pricing
1 specsMSRP
$350
$300
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