Side by side

Zelos Hammerhead (Tantalum LE)vsStudio Underd0g Steffany Blue

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

Hammerhead (Tantalum LE)
ZelosHammerhead (Tantalum LE)
MSRP $1,499
Steffany Blue
Studio Underd0gSteffany Blue
MSRP $800

At a glance

12 of 29 specs differ
Diameter
Hammerhead (Tantalum LE)44mm
Steffany Blue39.5mm
Power Reserve
Hammerhead (Tantalum LE)40h
Steffany Blue40h
Water Resistance
Hammerhead (Tantalum LE)300m
Steffany Blue
MSRP
Hammerhead (Tantalum LE)$1,499
Steffany Blue$800

Full specifications

Case

7 specs
Category
Diver
Casual
Diameter
44mm
39.5mm
Thickness
13mm
Lug-to-Lug
44mm
Lug Width
22mm
Material
Titanium
Stainless Steel
Water Resistance
300m

Crystal & Dial

2 specs
Crystal
Domed Sapphire
Sapphire
Dial Color
Tantalum LE
Blue

Movement

2 specs
Caliber
Seiko NH35
Type
Automatic
Manual

Pricing

1 specs
MSRP
$1,499
$800

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What people say

Owners + reviewers, side by side

Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.

Zelos Hammerhead (Tantalum LE)

The Zelos Hammerhead (Tantalum LE) features a forged carbon dial and bezel insert with infused lume. On balance, owners and reviewers rate the Zelos Hammerhead (Tantalum LE) highly for its unique material composition and substantial feel.

Studio Underd0g Steffany Blue

Owners widely praise the Studio Underd0g Steffany Blue for its beautiful multilayer dial with a floating effect and vivid Super-LumiNova, with one owner finding it smaller and more beautiful than expected. The 37mm case wears nicely, though some find it slightly small for larger wrists. One owner notes the power reserve can fall short of the advertised 48 hours, sometimes lasting only about a day. Overall, owners rate the Studio Underd0g Steffany Blue highly for its striking dial and luminous display.

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