Side by side

Fortis Stratoliner S-41vsZelos Spearfish Dual Time

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 Dual Time
ZelosSpearfish Dual Time
MSRP $2,199

At a glance

13 of 29 specs differ
Diameter
Stratoliner S-4141mm
Spearfish Dual Time40mm
Power Reserve
Stratoliner S-4160h
Spearfish Dual Time40h
Water Resistance
Stratoliner S-41200m
Spearfish Dual Time100m
MSRP
Stratoliner S-41$5,450
Spearfish Dual Time$2,199

Full specifications

Case

7 specs
Category
Chronograph
GMT
Diameter
41mm
40mm
Thickness
14mm
10mm
Lug-to-Lug
40mm
Lug Width
21mm
20mm
Material
Stainless Steel
Titanium
Water Resistance
200m
100m

Crystal & Dial

2 specs
Crystal
Sapphire
Domed Sapphire
Dial Color
White
Ti - Meteorite

Movement

3 specs
Caliber
Manufacture Caliber WERK 17
Sellita SW300 + TT651
Power Reserve
60h
40h
Jewels
36
25

Pricing

1 specs
MSRP
$5,450
$2,199

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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.

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 Dual Time

Owners widely praise the Zelos Spearfish Dual Time for its attractive design and the well-executed big date complication. The watch is described as a non-attention-seeking option that looks awesome, with a thickness of 12mm including the crystal and 10mm without. One owner found the $1900 price tag too expensive and uncharacteristic for the brand. On balance, owners rate the Zelos Spearfish Dual Time highly for its attractive design and the well-executed big date complication.

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