Side by side

Fortis Flieger F-41vsZelos Spearfish GMT

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

Flieger F-41
FortisFlieger F-41
MSRP $2,530
Spearfish GMT
ZelosSpearfish GMT
MSRP $999

At a glance

10 of 29 specs differ
Diameter
Flieger F-4141mm
Spearfish GMT40mm
Power Reserve
Flieger F-4138h
Spearfish GMT40h
Water Resistance
Flieger F-41200m
Spearfish GMT200m
MSRP
Flieger F-41$2,530
Spearfish GMT$999

Full specifications

Case

5 specs
Category
Tool
GMT
Diameter
41mm
40mm
Thickness
11.5mm
13mm
Lug-to-Lug
46mm
40mm
Material
Stainless Steel
316L Stainless Steel

Crystal & Dial

1 specs
Dial Color
Black
Frost

Movement

3 specs
Caliber
Sellita SW200-1
Sellita SW330-2
Power Reserve
38h
40h
Jewels
26
25

Pricing

1 specs
MSRP
$2,530
$999

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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 Flieger F-41

The Fortis Flieger F-41 is widely praised for its excellent machining and build quality for its price, featuring a traditional Flieger layout with modern flair, a sunburst dial with high-contrast orange accents, and a functional "Synchroline." Reviewers highlight its unique concave bezel with 24-click GMT functionality and a vivid color scheme that strikes a masterful balance. The watch offers 200 meters of water resistance and is powered by the UW-30 automatic movement. However, the UW-30 movement is noted for its modest 38-hour power reserve, and the 41mm case might be large for smaller wrists. Overall, reviewers rate the Fortis Flieger F-41 highly for its pared-back confidence and functional design at its price point.

Zelos Spearfish GMT

The Zelos Spearfish GMT is widely praised for its exceptional value, with reviewers highlighting its superb finishing, flawless machining, and a tool-less micro-adjustment clasp that exceeds its price point. It features a La Joux-Perret G100 movement with a 68-hour power reserve, achieving an average accuracy of +2.6 seconds per day, or a Miyota 9075 movement offering flier-style GMT functionality. The 40mm case and bidirectional 48-click ceramic bezel are well-executed, though one reviewer noted a minor compromise in the end link fit. Overall, owners and reviewers rate the Zelos Spearfish GMT highly for its impressive finishing and value proposition.

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