Side by side

Tuseno ShellbackvsZelos Spearfish 3

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

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 Spearfish 3

The Zelos Spearfish 3 is widely praised for its exceptional finishing, with razor-sharp polish and flawless brushed transitions that owners feel exceed its price point. The 40mm case is noted for its wearability, and the La Joux-Perret G100 movement offers a 68-hour power reserve, with reported accuracy averaging +2.6 seconds per day. Reviewers highlight the exceptionally smooth bi-directional bezel and a tool-less micro-adjustment clasp described as best-in-class among microbrands. The sapphire sandwich construction and lumed bezel are also cited as desirable features. Overall, owners and reviewers rate the Zelos Spearfish 3 highly for its outstanding finishing and value at its price point.

At a glance

9 of 29 specs differ
Diameter
Shellback40mm
Spearfish 340mm
Power Reserve
Shellback
Spearfish 3
Water Resistance
Shellback200m
Spearfish 3200m
MSRP
Shellback$840
Spearfish 3$749

Full specifications

Case

4 specs
Category
Diver
Thickness
11.9mm
11.5mm
Lug-to-Lug
47mm
40mm
Material
Stainless Steel
316L Stainless Steel

Crystal & Dial

2 specs
Dial Color
Yellow
Diver - Forged Carbon
Lume
Super-LumiNova
None

Movement

2 specs
Caliber
Sellita SW200-1
La Joux-Perret G100
Power Reserve
0h

Pricing

1 specs
MSRP
$840
$749
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