Side by side

Hemel HD24 AutomaticvsStudio Underd0g Watermelon (Gen3)

The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.

HD24 Automatic
HemelHD24 Automatic
MSRP $300
Watermelon (Gen3)
Studio Underd0gWatermelon (Gen3)
MSRP $550

At a glance

12 of 29 specs differ
Diameter
HD24 Automatic40mm
Watermelon (Gen3)38.5mm
Power Reserve
HD24 Automatic40h
Watermelon (Gen3)40h
Water Resistance
HD24 Automatic200m
Watermelon (Gen3)—
MSRP
HD24 Automatic$300
Watermelon (Gen3)$550

Full specifications

Case

7 specs
Category
Diver
Chronograph
Diameter
40mm
38.5mm
Thickness
13mm
—
Lug-to-Lug
48mm
—
Lug Width
20mm
—
Material
316L Stainless Steel
Stainless Steel
Water Resistance
200m
—

Crystal & Dial

3 specs
Crystal
Domed Sapphire
Sapphire
AR Coating
Inner
Inside
Dial Color
Gallant USAF Edition
—

Movement

1 specs
Caliber
Seiko NH38A
—

Pricing

1 specs
MSRP
$300
$550

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