Side by side

Fortis Flieger F-41 Werk 7vsZelos Spearfish 3

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

Flieger F-41 Werk 7
FortisFlieger F-41 Werk 7
MSRP $4,510
Spearfish 3
ZelosSpearfish 3
MSRP $749

At a glance

9 of 29 specs differ
Diameter
Flieger F-41 Werk 741mm
Spearfish 340mm
Power Reserve
Flieger F-41 Werk 738h
Spearfish 340h
Water Resistance
Flieger F-41 Werk 7200m
Spearfish 3200m
MSRP
Flieger F-41 Werk 7$4,510
Spearfish 3$749

Full specifications

Case

4 specs
Category
Pilot
Diver
Diameter
41mm
40mm
Lug-to-Lug
46mm
40mm
Material
Stainless Steel
316L Stainless Steel

Crystal & Dial

1 specs
Dial Color
Black
Diver - Forged Carbon

Movement

3 specs
Caliber
Werk 7 (Manufacture)
La Joux-Perret G100
Power Reserve
38h
40h
Jewels
26
25

Pricing

1 specs
MSRP
$4,510
$749

Follow this matchup

Get a note when Fortis Flieger F-41 Werk 7 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 Flieger F-41 Werk 7

The Fortis Flieger is widely praised for its robust build quality, superb readability, and excellent fit and finish, with reviewers highlighting the utilitarian dial and Brixtrack markers. Some find the 39mm case wears large due to its 50mm lug-to-lug span, while others note the 41mm versions offer better proportions. The Werk 7 movement provides a 70-hour power reserve, though one review mentions the UW-30 movement in a 39mm model has a 38-hour power reserve. On balance, reviewers rate the Fortis Flieger highly for its practical design and solid construction at its price point.

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.