Side by side

Fortis Stratoliner S-41vsZelos Spearfish 3

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

Stratoliner S-41
FortisStratoliner S-41
MSRP $5,450
Spearfish 3
ZelosSpearfish 3
MSRP $749

At a glance

11 of 29 specs differ
Diameter
Stratoliner S-4141mm
Spearfish 340mm
Power Reserve
Stratoliner S-4160h
Spearfish 340h
Water Resistance
Stratoliner S-41200m
Spearfish 3200m
MSRP
Stratoliner S-41$5,450
Spearfish 3$749

Full specifications

Case

6 specs
Category
Chronograph
Diver
Diameter
41mm
40mm
Thickness
14mm
11.5mm
Lug-to-Lug
40mm
Lug Width
21mm
20mm
Material
Stainless Steel
316L Stainless Steel

Crystal & Dial

1 specs
Dial Color
White
Diver - Forged Carbon

Movement

3 specs
Caliber
Manufacture Caliber WERK 17
La Joux-Perret G100
Power Reserve
60h
40h
Jewels
36
25

Pricing

1 specs
MSRP
$5,450
$749

Follow this matchup

Get a note when Fortis Stratoliner S-41 vs Zelos Spearfish 3 gets more votes, a community discussion, or a price drop. No account needed.

What people say

Owners + reviewers, side by side

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

Fortis Stratoliner S-41

Owners widely praise the Fortis Stratoliner S-41 for its purpose-built design and outstanding details, particularly its space blue lume and bright orange date on the dial. Reviewers note the WERK 17 movement offers a 60-hour power reserve. However, the Fortis Stratoliner S-41's 41mm case thickness and lug-to-lug distance lead some to perceive it as wearing large, and the dial's small text and flat design are flagged as potential drawbacks. Overall, owners and reviewers highlight the Fortis Stratoliner S-41's unique design and innovative movement as its primary strengths.

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.

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.

Adjacent matchups

People also compared

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