Side by side

Fortis Flieger F-39 Werk 7vsLongines HYDROCONQUEST GMT

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

Flieger F-39 Werk 7
FortisFlieger F-39 Werk 7
MSRP $4,510
HYDROCONQUEST GMT
LonginesHYDROCONQUEST GMT
MSRP $3,350

At a glance

11 of 29 specs differ
Diameter
Flieger F-39 Werk 739mm
HYDROCONQUEST GMT41mm
Power Reserve
Flieger F-39 Werk 738h
HYDROCONQUEST GMT40h
Water Resistance
Flieger F-39 Werk 7200m
HYDROCONQUEST GMT300m
MSRP
Flieger F-39 Werk 7$4,510
HYDROCONQUEST GMT$3,350

Full specifications

Case

6 specs
Category
Pilot
Diver
Diameter
39mm
41mm
Thickness
11.5mm
12.9mm
Lug-to-Lug
46mm
49.4mm
Lug Width
20mm
21mm
Water Resistance
200m
300m

Crystal & Dial

1 specs
Dial Color
Black
Green

Movement

3 specs
Caliber
Werk 7 (Manufacture)
L844.5
Power Reserve
38h
40h
Jewels
26
25

Pricing

1 specs
MSRP
$4,510
$3,350

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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-39 Werk 7

The Fortis Flieger is widely praised for its superb readability, robust build quality, and phenomenal fit and finish, with reviewers noting the practical Type-A dial and utilitarian design. The F-39 models are noted to wear large due to their lug-to-lug distance, and the UW-30 movement offers a 38-hour power reserve, while other variants feature a 70-hour power reserve. On balance, reviewers highlight the Fortis Flieger's modern, stylish take on pilot's watches, balancing legibility with unique aesthetics.

Longines HYDROCONQUEST GMT

Owners widely praise the Longines HYDROCONQUEST GMT for its excellent finishing, smooth winding action, and overall value, with some finding its build quality and colorways superior to higher-priced competitors. Reviewers and owners alike note its robustness as a traveler's dive watch with a true GMT movement. Some owners find the round markers at 6 and 9 disrupt dial symmetry, and the GMT hour markers are described as tiny and difficult to read. The date wheel can be mismatched on certain dial colors, and the bracelet clasp is noted as sharp by one reviewer. While some owners wish for a smaller case size, others find the 41mm comfortable. The bezel action is flagged as having bounce-back by one owner, though the brushed finish effectively hides wear. Overall, owners and reviewers rate the Longines HYDROCONQUEST GMT highly for its robust build and excellent value proposition.

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