Side by side

Studio Underd0g Steffany BluevsZelos Helica

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

Steffany Blue
Studio Underd0gSteffany Blue
MSRP $800
Helica
ZelosHelica
MSRP $499

At a glance

11 of 29 specs differ
Diameter
Steffany Blue39.5mm
Helica39mm
Power Reserve
Steffany Blue40h
Helica40h
Water Resistance
Steffany Blue
Helica100m
MSRP
Steffany Blue$800
Helica$499

Full specifications

Case

7 specs
Category
Casual
Diver
Diameter
39.5mm
39mm
Thickness
10.5mm
Lug-to-Lug
39mm
Lug Width
20mm
Material
Stainless Steel
316L Stainless Steel
Water Resistance
100m

Crystal & Dial

1 specs
Dial Color
Blue
39 - Wave MOP

Movement

2 specs
Caliber
Miyota 9015
Type
Manual
Automatic

Pricing

1 specs
MSRP
$800
$499

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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.

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.

Zelos Helica

Owners widely praise the Zelos Helica for its stunning, often color-shifting dials, with specific mentions of the MoP, slate grey, 'Steel Blue', and red opal variants being particularly captivating and artful. The 39mm case size is noted as fitting well on smaller wrists, and the overall build quality and finishing for the price are frequently highlighted as impressive, with one owner calling it "a lot of watch for the price." Some owners appreciate the novel bracelet designs and full lume dials, while others find the bracelet and clasp edges sharp or the clasp lacking on-the-fly adjustment. Opinions on the date window are mixed, with one owner disliking it. The Zelos Helica Moonphase was considered cluttered by one owner, and its $1K USD price point was felt to be steep by another, though popular variants sold out rapidly. Overall, owners rate the Zelos Helica highly for its striking dial designs and impressive value proposition.

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