Side by side

Tuseno ShellbackvsZelos Helica

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

Add a watch

Some links are affiliate links — lug2lug may earn a commission at no extra cost to you. Disclosures

What people say

Owners + reviewers, side by side

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

Tuseno Shellback

The build quality is cited as a significant strength. Availability is a weakness, with stock running low.

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.

From video reviewers

The dial's texture and visual appeal are consistently praised. The bracelet clasp with dual micro-adjustments is also a shared positive point. Reviewers disagree on whether the Miyota 9015 movement is a drawback compared to higher-end options.

At a glance

11 of 29 specs differ
Diameter
Shellback40mm
Helica39mm
Power Reserve
Shellback
Helica
Water Resistance
Shellback200m
Helica100m
MSRP
Shellback$840
Helica$499

Full specifications

Case

6 specs
Category
Diver
Diameter
40mm
39mm
Thickness
11.9mm
10.5mm
Lug-to-Lug
47mm
39mm
Material
Stainless Steel
316L Stainless Steel
Water Resistance
200m
100m

Crystal & Dial

2 specs
Dial Color
Yellow
39 - Wave MOP
Lume
Super-LumiNova
None

Movement

2 specs
Caliber
Sellita SW200-1
Miyota 9015
Power Reserve
0h

Pricing

1 specs
MSRP
$840
$499
Keep exploring

More watches worth a look

Matched to the watches above on size, movement, style and price — microbrands first. Open any one to dig in.

DiscussionNot started
Adjacent matchups

People also compared

Comparisons nearby in the catalog — alternatives to the watches above paired against the matchup.