Side by side
Hemel HD24 AutomaticvsStudio Underd0g Watermel0n (Gen3)
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
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At a glance
12 of 29 specs differDiameter
HD24 Automatic40mm
Watermel0n (Gen3)38.5mm
Power Reserve
HD24 Automatic—
Watermel0n (Gen3)50h
Water Resistance
HD24 Automatic200m
Watermel0n (Gen3)50m
MSRP
HD24 Automatic$300
Watermel0n (Gen3)$800
Full specifications
Case
6 specsCategory
Diver
—
Diameter
40mm
38.5mm
Thickness
13mm
12.9mm
Lug-to-Lug
48mm
44.5mm
Material
316L Stainless Steel
Stainless Steel
Water Resistance
200m
50m
Crystal & Dial
2 specsCrystal
Domed Sapphire
Sapphire
Dial Color
Gallant USAF Edition
—
Movement
3 specsCaliber
Seiko NH38
Seagull ST-1901
Type
Automatic
Manual
Power Reserve
0h
50h
Pricing
1 specsMSRP
$300
$800
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