Side by side

Hamilton Khaki Field MechanicalvsLongines HYDROCONQUEST GMT

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

Khaki Field Mechanical
HamiltonKhaki Field Mechanical
MSRP $725
HYDROCONQUEST GMT
LonginesHYDROCONQUEST GMT
MSRP $3,350

At a glance

12 of 29 specs differ
Diameter
Khaki Field Mechanical36mm
HYDROCONQUEST GMT41mm
Power Reserve
Khaki Field Mechanical80h
HYDROCONQUEST GMT40h
Water Resistance
Khaki Field Mechanical100m
HYDROCONQUEST GMT300m
MSRP
Khaki Field Mechanical$725
HYDROCONQUEST GMT$3,350

Full specifications

Case

6 specs
Category
Field
Diver
Diameter
36mm
41mm
Thickness
10.2mm
12.9mm
Lug-to-Lug
46mm
49.4mm
Lug Width
18mm
21mm
Water Resistance
100m
300m

Crystal & Dial

2 specs
Crystal
Acrylic
Sapphire
Dial Color
Black
Green

Movement

3 specs
Caliber
H-50
L844.5
Type
Manual
Automatic
Power Reserve
80h
40h

Pricing

1 specs
MSRP
$725
$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.

Hamilton Khaki Field Mechanical

Owners widely praise the Hamilton Khaki Field Mechanical as an archetype of a field watch, highlighting its thin case, excellent finishing, and smooth winding action, with some calling it the best pure field watch available. The daily winding ritual is considered a charming aspect of ownership, and the branding is noted as tasteful and subtle. One owner specifically appreciates the lugs. A drawback cited is the highly reflective, non-AR-coated crystal, and accuracy ranges from -6 seconds per day to unspecified better performance. Overall, owners rate the Hamilton Khaki Field Mechanical highly for its rugged, all-business aesthetic and value as a quintessential field watch.

From video reviewers

The watch's pure field style design is a significant strength. The lume brightness is a shared weakness. Reviewers disagreed on the power reserve, with one stating 80 hours and another 46 hours.

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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